Patent Assignment
Reel/Frame 004915/0762
Assignment of Assignors Interest.
Recorded: 1988-08-05
Pages: 1
Covered Property
(1)
Method and Apparatus Surface Ionization Particulate Detectors
Patent:
4,980,557 →
Application:
07/202,524 →
Related Assignments
(4)
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 →
Assignment of Assignor's Interest
Aug 21, 1995
From: WATERS INVESTMENTS LIMITED, A DELAWARE CORPORATION
To: ABB PROCESS ANALYTICS, INC.
Reel/Frame 007677/0560 →
Patent Release
Aug 15, 1996
From: BANKERS TRUST COMPANY
To: EXTREL CORPORATION
Reel/Frame 008077/0991 →