Patent Assignment
Reel/Frame 008077/0991
Patent Release
Recorded: 1996-08-15
Pages: 6
Assignor
BANKERS TRUST COMPANY
Executed: 1995-11-22
Assignee
EXTREL CORPORATION
575 EPSILON DRIVE, PITTSBURGH, PENNSYLVANIA, 15238
Covered Properties
(12)
Title Not Available
Application:
05/711,231 →
Methods and Apparatus for Improving Electron Capture Detectors by Collection of Ions
Patent:
4,137,453 →
Application:
05/719,280 →
Methods and Apparatus for Energy Analysis and Energy Filtering of Secondary Ions and Electrons
Patent:
4,146,787 →
Application:
05/769,696 →
Methods and Apparatus for Simultaneously
Patent:
4,105,916 →
Application:
05/772,905 →
?
Patent:
4,151,414 →
Application:
05/783,323 →
Method and Apparatus for Producing Electrostatic Fields by Surface Currents on Resistive Materials with Applications to Charged Particle Optics and Energy Analysis
Patent:
4,126,781 →
Application:
05/795,614 →
Surface Ionization Monitor for Particulates and Method
Patent:
4,209,693 →
Application:
05/930,360 →
Method and Apparatus for Surface Ioniation Monitor for Particulates
Patent:
4,162,404 →
Application:
05/930,361 →
Collision Cell for Triple Quarupole Tandem Mass Spectrometry
Patent:
4,814,613 →
Application:
07/022,647 →
Method and Apparatus for Introduction of Fluid Streams into Mass Spectrometers and Other Gas Phase Detectors
Patent:
4,977,785 →
Application:
07/157,626 →
Method and Apparatus Surface Ionization Particulate Detectors
Patent:
4,980,557 →
Application:
07/202,524 →
Method and Apparatus for Introduction of Liquid Effluent into Mass Spectrometer and Other Gas-Phase or Particle Detectors
Patent:
4,968,885 →
Application:
07/393,846 →
Related Assignments
(9)
Other recorded transfers of the patents in this record — the chain of ownership.
Change of Name Effective May 15, 1985.
Apr 28, 1986
From: EXTRANUCLEAR LABORATORIES, INC.
To: EXTREL CORPORATION
Reel/Frame 004557/0361 →
Assignment of Assignors Interest.
May 13, 1988
From: WILLOUGHBY, ROSS C.; BUCHNER, JAMES D.
To: EXTREL CORPORATION
Reel/Frame 004908/0497 →
Assignment of Assignors Interest.
Aug 5, 1988
From: MYERS, RICHARD L.; MC CALL, EDWARD L.
To: EXTREL CORPORATION, 240 ALPHA DRIVE, PITTSBURGH, PA 15238, A CORP. OF PA
Reel/Frame 004915/0762 →
Assignment of Assignor's Interest
Feb 17, 1994
From: EXTREL CORPORATION
To: WATERS INVESTMENTS LIMITED
Reel/Frame 006862/0710 →
Security Interest
Aug 29, 1994
From: EXTREL CORPORATION
To: BANKERS TRUST COMPANY
Reel/Frame 007145/0445 →
Assignment of Assignor's Interest
Aug 21, 1995
From: WATERS INVESTMENTS LIMITED, A DELAWARE CORPORATION
To: ABB PROCESS ANALYTICS, INC.
Reel/Frame 007677/0560 →
Security Interest
Feb 22, 1996
From: WATERS INVESTMENTS LIMITED
To: BANKERS TRUST COMPANY
Reel/Frame 007986/0191 →
Release of Security Interest in Patents
Apr 29, 2002
From: BANKERS TRUST COMPANY, AS COLLATERAL AGENT
To: WATERS INVESTMENTS LIMITED
Reel/Frame 012822/0456 →
Merger
Apr 17, 2009
From: WATERS INVESTMENTS LIMITED
To: WATERS TECHNOLOGIES CORPORATION
Reel/Frame 022552/0606 →