IP Library Assignment 005203/0551
Patent Assignment
Reel/Frame 005203/0551

Security Interest

Recorded: 1990-01-02 Pages: 2
Covered Property (1)
Immunoassay Method, Device, and Test Kit
Patent: 4,746,631 →
Application: 06/732,445 →
Related Assignments (6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. May 9, 1985
From: CLAGETT, JAMES A.
To: ULTRA DIAGNOSTICS CORP., A CORP OF WASHINGTON
Reel/Frame 004404/0749 →
Security Interest Jan 2, 1990
From: ULTRA DIAGNOSTICS CORPORATION
To: S.R. ONE, LTD., 259 RADNOR-CHESTER RD., STE. 190, RADNOR, PA 19087
Reel/Frame 005203/0545 →
Security Interest Sep 13, 1990
From: ULTRA DIAGNOSTICS CORPORATION
To: S.R. ONE, LTD.; SMITH TRUST
Reel/Frame 005446/0945 →
Effective as of August 16, 1991, Assignor Assigns It's Entire Right and Interest. Nov 25, 1991
From: ULTRA DIAGNOSTICS CORPORATION
To: BRITISH TECHNOLOGY GROUP USA INC.
Reel/Frame 005925/0151 →
Assignment of Assignors Interest. Dec 6, 1991
From: ULTRA DIAGNOSTICS CORPORATION
To: BRITISH TECHNOLOGY GROUP USA INC.
Reel/Frame 005933/0971 →
Assignment of Assignors Interest. Dec 6, 1991
From: ULTRA DIAGNOSTICS CORPORATION
To: BRITISH TECHNOLOGY GROUP USA INC.
Reel/Frame 005947/0366 →