Patent Assignment
Reel/Frame 003916/0826
Assignment of Assignors Interest.
Recorded: 1981-08-31
Pages: 2
Assignor
CRASE, GARY M.
Executed: 1981-08-21
Assignee
SMITH INTERNATIONAL, INC.
A CORP. OF CA., NEWPORT BEACH, CALIFORNIA
Covered Property
(1)
Releasable Couplings for Drill Strings
Patent:
4,531,766 →
Application:
06/298,023 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Mar 9, 1993
From: SMITH INTERNATIONAL, INC.
To: HCS LEASING CORPORATION
Reel/Frame 006452/0317 →
Assignment of Assignor's Interest
Jun 1, 1993
From: HCS LEASING CORPORATION, A WHOLLY OWNED SUBSIDIARY OF SMITH INTERNATIONAL, INC.
To: HALLIBURTON COMPANY
Reel/Frame 006544/0193 →