Patent Assignment
Reel/Frame 007321/0824
Assignment of Assignor's Interest
Recorded: 1995-02-13
Pages: 4
Assignors
NAIL, GEORGE MICHAEL
Executed: 1995-02-07
BUKHARD, ALAN
Executed: 1995-02-07
WEDEKIND, JEFFREY
Executed: 1995-02-07
Assignee
M-I DRILLING FLUIDS, L.L.C.
3 GREENWAY PLAZA, HOUSTON, TEXAS, 77046
Covered Property
(1)
Intrinsically Safe Data Acquisition System and Apparatus
Patent:
5,583,764 →
Application:
08/325,009 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct Assignor's Name. an Assignment Was Previously Recorded at Reel 7321, Frames 824-827.
Apr 27, 1995
From: NAIL, GEORGE MICHAEL; BURKHARD, ALAN; WEDEKIND, JEFFREY
To: M-I DRILLING FLUIDS, L.L.C.
Reel/Frame 007441/0609 →
Change of Name
Aug 14, 1998
From: M-I DRILLING FLUIDS L.L.C., A DELAWARE LIMITED LIABILITY COMPANY
To: M-I L.L.C., A DELAWARE LIMITED LIABILITY COMPANY
Reel/Frame 009375/0719 →
Assignment of Assignor's Interest
Oct 26, 2010
From: M-I HOLDINGS L.L.C.
To: M-I L.L.C.
Reel/Frame 025192/0491 →
Change of Name
Oct 26, 2010
From: M-I L.L.C.
To: M-I HOLDINGS L.L.C.
Reel/Frame 025192/0511 →