IP Library Assignment 004823/0258
Patent Assignment
Reel/Frame 004823/0258

Assignment of Assignors Interest.

Recorded: 1988-01-11 Pages: 2
Assignors
DAVID, JOHN R.
Executed: 1988-01-07
POHL, DANIEL P.
Executed: 1988-01-07
Assignee
Covered Property (1)
Pad Forming Method
Patent: 4,842,919 →
Application: 07/010,213 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 24, 2002
From: HYDROCARBON RESEARCH, INC.
To: IFP ENTERPRISES, INC.
Reel/Frame 012916/0614 →