IP Library › Assignment 013221/0656
Patent Assignment
Reel/Frame 013221/0656

Release of Security Interest in Patents

Recorded: 2002-08-26 Pages: 4
Assignor
Assignee
URS CORPORATION
100 CALIFORNIA STREET, SUITE 500, SAN FRANCISCO, CALIFORNIA, 94111
Covered Properties (3)
Method and Apparatus for Removing Stuck Portions of a Drill String
Patent: 4,574,888 →
Application: 06/637,385 →
Method and Apparatus for Improving Oil Production in Oil Wells
Patent: 4,674,571 →
Application: 06/788,012 →
Method and Apparatus for Seismic Exploration
Patent: 4,674,591 →
Application: 06/834,638 →
Related Assignments (8)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Aug 2, 1984
From: VOGEN, WAYNE V.
To: URS CORPORATION A CORP OF DE
Reel/Frame 004294/0627 →
Assignment of Assignors Interest. Jan 21, 1986
From: VOGEN, WAYNE V.
To: URS CORPORATION
Reel/Frame 004502/0042 →
Assignment of Assignors Interest. Feb 28, 1986
From: VOGEN, WAYNE V.
To: URS CORPORATION
Reel/Frame 004547/0632 →
Security Interest Nov 2, 1999
From: URS CORPORATION, A DELAWARE CORPORATION; DEMETER ACQUISITION CORPORATION, (DE CORPORATION); GCH ACQUISITION CORP. (PA CORPORATION); GEO-CON, INC. (PA CORPORATION)
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 010351/0264 →
Security Agreement Aug 26, 2002
From: URS CORPORATION
To: CREDIT SUISSE FIRST BOSTON
Reel/Frame 013221/0949 →
Release of Security Interest in Patents Jun 28, 2005
From: CREDIT SUISSE FIRST BOSTON, NEW YORK BRANCH
To: URS CORPORATION
Reel/Frame 016195/0234 →
Grant of Patent Security Interest Nov 16, 2007
From: URS CORPORATION
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 020125/0406 →
Security Agreement Nov 23, 2010
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
To: URS CORPORATION
Reel/Frame 025309/0403 →