Patent Assignment
Reel/Frame 005410/0550
Assignment of Assignors Interest.
Recorded: 1990-08-16
Pages: 2
Assignee
M-I DRILLING FLUIDS COMPANY
5950 NORTH COURSE, A GENERAL PARTNERSHIP OF TX, HOUSTON, TEXAS, 77072
Covered Property
(1)
Water Based Synthetic Hydrocarbon Drilling Fluid and Spotting Fluid
Patent:
1,000 →
Application:
07/568,074 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.