Patent Assignment
Reel/Frame 004288/0157
Security Interest
Recorded: 1984-08-08
Pages: 3
Assignor
DARYL LABORATORIES, INC.
Executed: 1984-08-01
Assignee
FIRST NATIONAL BANK OF MARYLAND, HE
25 SOUTH CHARLES ST., A NATIONAL BANKING ASSOCIATION, BALTIMORE, MARYLAND, 21201
Covered Properties
(3)
Immunoassay Test Slide
Patent:
279,817 →
Application:
06/399,855 →
Substrate for Fluoroimmunoassay of Biological Fluids
Patent:
4,540,660 →
Application:
06/483,055 →
Immunoassay Substrate
Patent:
4,596,723 →
Application:
06/606,387 →
Related Assignments
(7)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Nov 10, 1982
From: CHEN, ANTHONY B.; HARTE, RICHARD A.; KAUFMAN, NANCY K.
To: DARYL LABORATORIES, INC.
Reel/Frame 004060/0524 →
Assignment of Assignors Interest.
Apr 7, 1983
From: HARTE, RICHARD A.; CHEN, ANTHONY B.
To: DARYL LABORATORIES, INC.
Reel/Frame 004115/0331 →
Assignment of Assignors Interest.
May 2, 1984
From: KAUFMAN, NANCY K.; HARTE, RICHARD A.; CHEN, ANTHONY B.
To: DARYL LABORATORIES, INC., SANTA CLARA, CA A CA CORP
Reel/Frame 004256/0658 →
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 →