Patent Assignment
Reel/Frame 005177/0126
Assignment of Assignors Interest.
Recorded: 1989-11-13
Pages: 1
Assignor
RINES, STEVEN P.
Executed: 1989-11-10
Assignee
M-I DRILLING FLUIDS COMPANY
5950 NORTH COURSE, HOUSTON, TEXAS, 77072
Covered Property
(1)
Compositions for Oil-Base Drilling Fluids
Patent:
935 →
Application:
07/435,072 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.