Patent Assignment
Reel/Frame 003879/0468
Assignment of Assignors Interest.
Recorded: 1981-04-14
Pages: 1
Assignor
DIKEMAN ROXANE N.
Executed: 1981-04-10
Assignee
MALLINCKRODT, INC., A COR. OF MO
ST. LOUIS, MISSOURI
Covered Property
(1)
Process for Preparing Limulus Lysate
Patent:
4,322,217 →
Application:
06/254,233 →
Related Assignments
(8)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Jul 18, 1985
From: MALLINCKRODT, INC.
To: WHITTAKER CORPORATION
Reel/Frame 004428/0361 →
Merger
Jun 22, 1989
From: WHITTAKER CORPORATION, A CORP. OF CA.
To: WHITTAKER CORPORATION, A CORP. OF DE.
Reel/Frame 005261/0367 →
Merger
Jun 22, 1989
From: TASKER INDUSTRIES, A CORP. OF CA.
To: WHITTAKER CORPORATION, A CORP. OF CA.
Reel/Frame 005267/0361 →
Security Interest
Feb 9, 1990
From: WHITTAKER CORPORATION
To: SECURITY PACIFIC NATIONAL BANK
Reel/Frame 005311/0926 →
Merger
Mar 6, 1990
From: WHITTAKER CORPORATION, A CORP. OF CA
To: WHITTAKER CORPORATION, A CORP. OF DE
Reel/Frame 005268/0473 →
Assignment of Assignors Interest.
Dec 16, 1991
From: WHITTAKER CORPORATION, A CORP. OF DE
To: BIOWHITTAKER, INC. A CORPORATION OF DELAWARE
Reel/Frame 005978/0016 →
Assignment of Assignor's Interest
Jun 20, 1995
From: BIOWHITTAKER, INC.
To: BIOWHITTAKER TECHNOLOGIES, INC.
Reel/Frame 007570/0242 →
Release of Lien
May 9, 1996
From: SECURITY PACIFIC NATIONAL BANK
To: WHITTAKER CORPORATION
Reel/Frame 007815/0366 →