Patent Assignment
Reel/Frame 006693/0887
Assignment of Assignor's Interest
Recorded: 1993-09-10
Pages: 2
Assignor
SCHNITKER, MARK W.
Executed: 1993-09-09
Assignee
WEATHERFORD U.S., INC.
SUITE 1000, 1360 POST OAK BLVD., HOUSTON, TEXAS, 77056
Covered Property
(1)
Whipstock System
Patent:
5,452,759 →
Application:
08/119,813 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 10, 1993
From: CARTER, THURMAN B.
To: WEATHERFORD U.S., INC.
Reel/Frame 006693/0889 →
Assignment of Assignor's Interest
May 17, 2005
From: WEATHERFORD U.S, L.P.
To: WEATHERFORD/LAMB, INC.
Reel/Frame 016016/0887 →
Assignment of Assignor's Interest
Dec 4, 2014
From: WEATHERFORD/LAMB, INC.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 034526/0272 →