Patent Assignment
Reel/Frame 004502/0042
Assignment of Assignors Interest.
Recorded: 1986-01-21
Pages: 2
Assignor
VOGEN, WAYNE V.
Executed: 1986-01-15
Assignee
URS CORPORATION
155 BOVET ROAD, A CORP. OF. DE., SAN MATEO, CALIFORNIA, 94402
Covered Property
(1)
Method and Apparatus for Improving Oil Production in Oil Wells
Patent:
4,674,571 →
Application:
06/788,012 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →
Release of Security Interest in Patents
Aug 26, 2002
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: URS CORPORATION
Reel/Frame 013221/0656 →
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 →