Patent Assignment
Reel/Frame 004256/0658
Assignment of Assignors Interest.
Recorded: 1984-05-02
Pages: 2
Assignors
KAUFMAN, NANCY K.
Executed: 1984-04-24
HARTE, RICHARD A.
Executed: 1984-04-24
CHEN, ANTHONY B.
Executed: 1984-04-24
Assignee
Covered Property
(1)
Immunoassay Substrate
Patent:
4,596,723 →
Application:
06/606,387 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Aug 8, 1984
From: DARYL LABORATORIES, INC.
To: FIRST NATIONAL BANK OF MARYLAND, HE
Reel/Frame 004288/0157 →
Merger Effective: March 26, 1986
Jan 15, 1988
From: DARYL LABORATORIES, INC.,; MICROBIOLOGICAL ASSOCIATES, INC., (MERGED INTO); NEW MICROBIOLOGICAL ASSOCIATES, INC.,
To: MICROBIOLOGICAL ASSOCIATES, INC.,
Reel/Frame 004819/0797 →
Assignment of Assignors Interest.
May 20, 1991
From: MICROBIOLOGICAL ASSOCIATES, INC.
To: MAST IMMUNOSYSTEMS, A CORPORATION OF CA
Reel/Frame 005711/0765 →
Assignment of Assignors Interest.
Aug 26, 1991
From: FIRST NATIONAL BANK OF MARYLAND, THE
To: MAST IMMUNOSYSTEMS A CA CORPORATION
Reel/Frame 005811/0958 →
Change of Name
Oct 23, 2000
From: MAST IMMUNOSYSTEMS, INC.
To: HITACHI CHEMICAL DIAGNOSTICS, INC.
Reel/Frame 011195/0673 →