Patent Assignment
Reel/Frame 005510/0154
Assignment of Assignors Interest.
Recorded: 1990-11-07
Pages: 2
Assignor
DONOVAN, JOSEPH F.
Executed: 1990-10-31
Assignee
BAKER HUGHES INCORPORATED
3800 ESSEX LANE, A CORP. OF DELAWARE, HOUSTON, TEXAS, 77027
Covered Property
(1)
Surface Sand Detection Monitoring Device and Method
Patent:
5,113,941 →
Application:
07/610,356 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.