Patent Assignment
Reel/Frame 004344/0773
Assignment of Assignors Interest.
Recorded: 1984-12-04
Pages: 6
Assignee
BIOGEN N.V.
15 PIETERMAAI, WILLEMSTAD, CURACAO, NETHERLANDS ANTILLES
Covered Property
(1)
Products Displaying the Antigenicity of Hepatitis B Virus E Antigens and Methods of Producing Those Antigens
Patent:
4,563,423 →
Application:
06/414,439 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Effective June 30, 1988 (Delaware)
Aug 21, 1989
From: BIOGEN N.V., A CORP. OF THE NETHERLANDS
To: BIOGEN, INC., A CORP. OF DE
Reel/Frame 005138/0384 →
Merger June 30, 1988 Massachuesetts
Aug 21, 1989
From: BIOGEN, INC., A DE CORP. (MERGED INTO); BIOGEN MASSACHUSETTS, INC., A MA CORP. (CHANGED TO)
To: BIOGEN, INC., A MA CORP.
Reel/Frame 005138/0422 →