Patent Assignment
Reel/Frame 008545/0229
Assignment of Assignor's Interest
Recorded: 1997-06-05
Pages: 3
Assignor
SHELL OIL COMPANY
Executed: 1997-04-23
Assignee
ANTEK INSTRUMENTS, INC.
300 BAMMEL WESTFIELD RD., HOUSTON, TEXAS, 77090
Covered Property
(1)
Apparatus for Analysis of a Sample for Sulphur
Patent:
4,950,456 →
Application:
07/249,255 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Sep 25, 1989
From: FORSTER, ALAN R.; KAMLA, GREGORY J.
To: SHELL OIL COMPANY, A DE CORP.
Reel/Frame 005119/0903 →
Assignment of Assignor's Interest
Dec 23, 2003
From: ANTEK INSTRUMENTS L.P.
To: ROPINTASSCO 7, LLC
Reel/Frame 014822/0267 →
Assignment of Assignor's Interest
Dec 23, 2003
From: ROPINTASSCO 7, LLC
To: ROPINTASSCO HOLDINGS, L.P.
Reel/Frame 014836/0241 →
Security Agreement
Feb 24, 2004
From: ROPINTASSCO HOLDINGS, L.P.
To: JPMORGAN CHASE BANK
Reel/Frame 014981/0256 →
Assignment of Assignor's Interest
Mar 22, 2006
From: ROPINTASSCO HOLDINGS, L.P.; ROPINTASSCO 7, LLC
To: PETROLEUM ANALYZER COMPANY L.P.
Reel/Frame 017344/0493 →
Termination and Release of Security
Jul 25, 2008
From: JPMORGAN CHASE BANK, N.A.
To: ROPINTASSCO HOLDINGS, L.P.
Reel/Frame 021281/0956 →