IP Library Assignment 075791/0124
Patent Assignment
Reel/Frame 075791/0124

Security Interest

Recorded: 2026-08-26 Pages: 8
Assignor
METROTECH CORPORATION
Executed: 2026-08-26
Assignee
ALTER DOMUS (US) LLC
225 WEST WASHINGTON STREET, 9TH FLOOR, CHICAGO, ILLINOIS, 60606
Covered Properties (24)
Locator with Removable Antenna Portion
Patent: 7,612,682 →
Application: 11/445,085 →
Publication: US US20070013379A1
Enhanced Precise Location
Patent: 8,209,136 →
Application: 12/122,136 →
Publication: US US20080309315A1
Enhanced Precise Location
Patent: 8,515,689 →
Application: 12/209,999 →
Publication: US US20090128156A1
Precise Location and Orientation of a Concealed Dipole Transmitter
Patent: 8,188,745 →
Application: 12/315,696 →
Publication: US US20100141261A1
System for Determining a Precise Location and Orientation of a Concealed Dipole Transmitter
Patent: 9,158,024 →
Application: 13/477,909 →
Publication: US US20120232800A1
Enhanced Precise Location
Patent: 8,515,690 →
Application: 13/481,521 →
Publication: US US20120232837A1
Signal Select in Underground Line Location
Patent: 9,473,203 →
Application: 13/874,312 →
Publication: US US20130287125A1
Signal Select in Underground Line Location
Application: 15/295,897 →
Publication: US US20170099168A1
Line Locator with a Metal Detector
Patent: 9,733,379 →
Application: 14/309,398 →
Publication: US US20150369942A1
Cable Detection Apparatus with a Comb Filter
Application: 14/625,496 →
Publication: US US20150234076A1
Locator Self-Test
Patent: 9,869,744 →
Application: 14/625,458 →
Publication: US US20150234029A1
Systems and Methods for Object Detection
Application: 15/824,944 →
Publication: US US20180081020A1
Camera Skid
Application: 15/533,338 →
Publication: US US20170371145A1
Signal Processing for a Cable Locating Instrument
Application: 14/792,510 →
Publication: US US20170010381A1
Signal Generator with Multiple Outputs
Application: 15/004,829 →
Publication: US US20160218702A1
Antenna for Underground Line Location
Application: 15/011,205 →
Publication: US US20160223701A1
System and Method for Locating Underground Lines Using Antenna and Positioning Information
Application: 15/287,551 →
Publication: US US20170102477A1
System and Method for Locating Underground Lines Using Motion Based Responsiveness
Application: 15/191,362 →
Publication: US US20160377760A1
System and Method for Locating Underground Lines Using a View-in-the-Ground Indicator
Application: 15/191,320 →
Publication: US US20160379390A1
System and Method for Locating a Marker Using a Locator with Multiple Transmitters
Application: 15/216,503 →
Publication: US US20170023692A1
Auto-Locate Operation
Patent: 9,877,152 →
Application: 15/451,179 →
Publication: US US20170265029A1
Underground Line Locator System with Real Time Kinematic and Global Satellite Positioning
Application: 16/880,595 →
Publication: US US20200371253A1
Underground Line Locator System With Real Time Kinematic And Global Satellite Positioning
Application: 18/047,580 →
Publication: US US20230184962A1
Data Encoding in a Low Frequency Magnetic Field
Application: 18/419,187 →
Publication: US US20250240052A1
Related Assignments (21)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 17, 2006
From: STAPLES, GREG; CROTHALL, GEORGE; WAITE, JAMES W.
To: METROTECH CORPORATION, INC.
Reel/Frame 018130/0319 →
Assignment of Assignor's Interest Aug 28, 2008
From: LI, KUN
To: METROTECH CORPORATION, INC.
Reel/Frame 021458/0971 →
Assignment of Assignor's Interest Dec 16, 2008
From: LI, KUN; WAITE, JIM; WELARATNA, RUWAN; OVERBY, JOHAN
To: METROTECH CORPORATION, INC.
Reel/Frame 021986/0140 →
Assignment of Assignor's Interest Feb 20, 2009
From: OVERBY, JOHAN; WAITE, JAMES W.; GARGOV, DIMITAR; LI, KUN
To: METROTECH CORPORATION INC.
Reel/Frame 022287/0896 →
Assignment of Assignor's Interest May 25, 2012
From: LI, KUN
To: METROTECH CORPORATION, INC.
Reel/Frame 028273/0463 →
Assignment of Assignor's Interest Mar 4, 2015
From: PETHERICK, STEPHEN JOHN; MAINESCU, GEORGE; DRACEA, ION; STEFANOIU, RAZVAN GABRIEL
To: METROTECH CORPORATION
Reel/Frame 035087/0657 →
Assignment of Assignor's Interest Sep 8, 2015
From: OVERBY, JOHAN; WAITE, JAMES W.; GARGOV, DIMITAR; LI, KUN
To: METROTECH CORPORATION INC.
Reel/Frame 036508/0493 →
Assignment of Assignor's Interest Mar 7, 2016
From: POLAK, STEVEN
To: METROTECH CORPORATION
Reel/Frame 037910/0631 →
Assignment of Assignor's Interest Apr 21, 2016
From: MAINESCU, GEORGE; DRACEA, ION; STEFANOIU, RAZVAN GABRIEL; LACATUS, PAUL LUCIAN
To: METROTECH CORPORATION
Reel/Frame 038347/0839 →
Assignment of Assignor's Interest Jun 21, 2016
From: ROYLE, JOHN MARK; PETHERICK, STEPHEN JOHN
To: METROTECH CORPORATION
Reel/Frame 038977/0847 →
Assignment of Assignor's Interest Aug 16, 2016
From: POLAK, STEVAN
To: METROTECH CORPORATION
Reel/Frame 039695/0867 →
Assignment of Assignor's Interest Nov 16, 2016
From: PEARSON, RICHARD
To: METROTECH CORPORATION
Reel/Frame 040342/0917 →
Assignment of Assignor's Interest Mar 22, 2017
From: OVERBY, JOHAN; ROYLE, JOHN MARK
To: METROTECH CORPORATION
Reel/Frame 041684/0655 →
Assignment of Assignor's Interest Mar 27, 2017
From: POLAK, STEVAN; ZHANG, CHUNNING
To: METROTECH CORPORATION
Reel/Frame 041751/0678 →
Assignment of Assignor's Interest Aug 4, 2017
From: YONG, WEI; JORDAN, RICHARD
To: METROTECH CORPORATION
Reel/Frame 043208/0874 →
Assignment of Assignor's Interest Jan 12, 2018
From: POLAK, STEVAN
To: METROTECH CORPORATION
Reel/Frame 045067/0813 →
Patent Security Agreement Jun 13, 2019
From: METROTECH CORPORATION D/B/A VIVAX-METROTECH CORPORATION; VXMT CORPORATION
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 049456/0508 →
Release of Security Interest in Patents Nov 8, 2022
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: METROTECH CORPORATION D/B/A VIVAX-METROTECH CORPORATION; VXMT CORPORATION
Reel/Frame 061896/0805 →
Release of Security Interest Nov 23, 2022
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: METROTECH CORPORATION
Reel/Frame 061867/0944 →
Security Interest Nov 23, 2022
From: METROTECH CORPORATION
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 061867/0970 →
Release of Security Interest Aug 24, 2026
From: JPMORGAN CHASE BANK, N.A.
To: METROTECH CORPORATION
Reel/Frame 075755/0167 →