Patent Assignment
Reel/Frame 008419/0305
Assignment of Assignor's Interest
Recorded: 1997-02-03
Pages: 3
Assignor
BLYTHE, ROBERT LEWIS
Executed: 1997-02-03
Assignee
VALLEY LAB INC.
5920 LONG BOW DRIVE, BOULDER, COLORADO, 80303
Covered Property
(1)
Method and Apparatus for Detecting Tube Occlusion in Argon Electrosurgery System
Patent:
5,908,402 →
Application:
08/792,054 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 2, 1999
From: VALLEYLAB INC
To: SHERWOOD SERVICES AG
Reel/Frame 010135/0940 →
Change of Name
Sep 21, 2010
From: SHERWOOD SERVICES AG
To: COVIDIEN AG
Reel/Frame 025017/0657 →
Change of Name
Sep 21, 2010
From: TYCO HEALTHCARE GROUP AG
To: COVIDIEN AG
Reel/Frame 025017/0663 →
Merger
Sep 21, 2010
From: COVIDIEN AG
To: TYCO HEALTHCARE GROUP AG
Reel/Frame 025017/0670 →