IP Library Assignment 004160/0601
Patent Assignment
Reel/Frame 004160/0601

Assignment of Assignors Interest.

Recorded: 1983-08-22 Pages: 1
Assignor
PERKINS, THOMAS K.
Executed: 1981-12-07
Assignee
ATLANTIC RICHFIELD COMPANY, A PA CORP.
LOS ANGELES, CALIFORNIA
Covered Property (1)
Performance of a Pipeline Additive Injection System
Patent: 4,422,830 →
Application: 06/330,113 →
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 →