Patent Assignment
Reel/Frame 004908/0497
Assignment of Assignors Interest.
Recorded: 1988-05-13
Pages: 1
Assignee
EXTREL CORPORATION
240 ALPHA DRIVE, A CORP. OF PA, PITTSBURGH, PENNSYLVANIA, 11512
Covered Property
(1)
Method and Apparatus for Introduction of Fluid Streams into Mass Spectrometers and Other Gas Phase Detectors
Patent:
4,977,785 →
Application:
07/157,626 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 17, 1994
From: EXTREL CORPORATION
To: WATERS INVESTMENTS LIMITED
Reel/Frame 006862/0710 →
Security Interest
Aug 29, 1994
From: EXTREL CORPORATION
To: BANKERS TRUST COMPANY
Reel/Frame 007145/0445 →
Security Interest
Feb 22, 1996
From: WATERS INVESTMENTS LIMITED
To: BANKERS TRUST COMPANY
Reel/Frame 007986/0191 →
Patent Release
Aug 15, 1996
From: BANKERS TRUST COMPANY
To: EXTREL CORPORATION
Reel/Frame 008077/0991 →
Release of Security Interest in Patents
Apr 29, 2002
From: BANKERS TRUST COMPANY, AS COLLATERAL AGENT
To: WATERS INVESTMENTS LIMITED
Reel/Frame 012822/0456 →
Merger
Apr 17, 2009
From: WATERS INVESTMENTS LIMITED
To: WATERS TECHNOLOGIES CORPORATION
Reel/Frame 022552/0606 →