Patent Assignment
Reel/Frame 004221/0110
Assignment of Assignors Interest.
Recorded: 1984-02-10
Pages: 1
Assignor
SMITH INTERNATIONAL, INC., A CORP OF CA
Executed: 1984-01-30
Assignee
Covered Property
(1)
Seal
Patent:
4,451,047 →
Application:
06/429,533 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Feb 22, 1988
From: SMITH INTERNATIONAL, INC.
To: CAMERON IRON WORKS USA INC.
Reel/Frame 004833/0129 →
Assignment of Assignors Interest.
Feb 4, 1991
From: CAMERA IRON WORKS USA, INC., A CORP OF DE
To: COOPER INDUSTRIES, INC.
Reel/Frame 005587/0874 →
Assignment of Assignor's Interest
May 5, 1995
From: SMITH INTERNATIONAL, INC.
To: COOPER INDUSTRIES, INC.
Reel/Frame 007462/0554 →
Assignment of Assignor's Interest
May 5, 1995
From: COOPER INDUSTRIES, INC.
To: COOPER CAMERON CORPORATION
Reel/Frame 007462/0622 →