Patent Assignment
Reel/Frame 005098/0231
Assignment of Assignors Interest.
Recorded: 1989-05-01
Pages: 3
Assignors
CARIGNAN, ROGER G.
Executed: 1989-04-17
NAHIGIAN, STANLEY H.
Executed: 1989-04-17
PRATT, CLYDE R.
Executed: 1989-04-17
Covered Property
(1)
Thumb Joint Prosthesis
Patent:
4,955,916 →
Application:
07/345,298 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
May 17, 1991
From: TECHMEDICA, INC. A CORP. OF CALIFORNIA
To: SULZER BROS. INC.
Reel/Frame 005700/0847 →
Release of Patent Collateral
Mar 24, 1995
From: SULZER, INC.
To: TECHMEDICA, INC.
Reel/Frame 007381/0177 →
Assignment of Assignor's Interest
Mar 31, 1995
From: TECHMEDICA, INC.
To: SULZERMEDICA USA, INC.
Reel/Frame 007408/0450 →
Change of Name
Nov 26, 2002
From: SULZER MEDICA USA INC.
To: CENTERPULSE USA INC.
Reel/Frame 013542/0917 →