Patent Assignment
Reel/Frame 004388/0269
Assignment of Assignors Interest.
Recorded: 1985-04-15
Pages: 2
Assignee
ATLANTIC RICHFIELD COMPANY
LOS ANGELES, CALIFORNIA
Covered Property
(1)
Development Well Drilling
Patent:
4,773,488 →
Application:
06/638,830 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.