Patent Assignment
Reel/Frame 005233/0411
Assignment of Assignors Interest.
Recorded: 1990-01-29
Pages: 3
Assignor
MAC KEEN, LINDA A.
Executed: 1989-12-26
Assignee
T CELL SCIENCES, INC., A CORP. OF DE
38 SIDNEY STREET, CAMBRIDGE, MASSACHUSETTS
Covered Property
(1)
Therapeutic and Diagnostic Methods Using Soluble T Cell Surface Molecules
Patent:
5,292,636 →
Application:
07/434,398 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Jan 29, 1990
From: KUNG, PATRICK C.; IP, STEPHEN H.; BROWN, MICHAEL C.
To: T CELL SCIENCES, INC., A CORP. OF DE
Reel/Frame 005233/0408 →
Assignment of Assignors Interest.
May 10, 1991
From: T CELL SCIENCES, INC., A CORPORATION OF DE
To: T CELL DIAGNOSTICS, INC. A CORPORATION OF DE
Reel/Frame 005699/0280 →
Assignment of Assignor's Interest
Apr 12, 1996
From: T CELL DIAGNOSTICS, INC.
To: ENDOGEN, INC.
Reel/Frame 007888/0504 →
Change of Name
Jan 7, 2004
From: PIERCE CHEMICAL COMPANY
To: PIERCE BIOTECHNOLOGY, INC.
Reel/Frame 014934/0359 →
Security Interest
Jan 29, 2004
From: PIERCE BIOTECHNOLOGY, INC.
To: DEUTSCHE BANK AG, NEW YORK BRANCH
Reel/Frame 015008/0214 →
Release of Security Interest
Aug 2, 2004
From: DEUTSCHE BANK AG NEW YORK BRANCH
To: PIERCE BIOTECHNOLOGY, INC.; HYCLONE LABORATORIES, INC.
Reel/Frame 015756/0294 →