IP Library › Assignment 004532/0391
Patent Assignment
Reel/Frame 004532/0391

Assignment of Assignors Interest.

Recorded: 1986-03-10 Pages: 1
Assignor
WITTEN, ERIC B.
Executed: 1986-02-04
Assignee
Covered Property (1)
Drilling Mud Dehydration System
Patent: 4,649,655 →
Application: 06/829,383 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 17, 2001
From: ATLANTIC RICHFIELD COMPANY
To: PHILLIPS PETROLEUM COMPANY
Reel/Frame 012333/0329 →