IP Library Assignment 012818/0375
Patent Assignment
Reel/Frame 012818/0375

Assignment of Assignor's Interest

Recorded: 2002-04-22 Pages: 4
Assignor
GREGG, DAVID P.
Executed: 2002-04-08
Assignee
MULTI PRODUCTS COMPANY
P.O. BOX 286, 7188 SR 39 EAST, MILLERSBURG, OHIO, 44654
Covered Property (1)
Method and Apparatus for Reducing Plunger Seal Wear on Automatic Casing Swab Lift Systems
Patent: 6,637,515 →
Application: 09/827,675 →
Publication: US 2002/0170718
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 15, 2002
From: BISHOP, RONALD C.
To: CONOCO, INC.
Reel/Frame 012801/0904 →
Merger Jun 5, 2003
From: CONOCO INC.
To: CONOCOPHILLIPS COMPANY
Reel/Frame 014137/0038 →