IP Library Assignment 004436/0925
Patent Assignment
Reel/Frame 004436/0925

Assignment of Assignors Interest.

Recorded: 1985-07-29 Pages: 4
Assignors
EASTLACK, JAMES K.
Executed: 1985-07-05
ASHFORD, JAMES D.
Executed: 1985-07-08
HARRISON, TERRY W.
Executed: 1985-07-11
BLOUNT, C.G.
Executed: 1985-07-09
HERRING, GARY D.
Executed: 1985-07-09
UNDERDOWN, DAVID R.
Executed: 1985-07-25
Assignee
ATLANTIC RICHFIELD COMPANY A CORP OF DE
LOS ANGELES, CALIFORNIA
Covered Property (1)
Squeeze Cement Method Using Coiled Tubing
Patent: 4,627,496 →
Application: 06/760,259 →
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 →