Patent Assignment
Reel/Frame 004912/0129
Assignment of Assignors Interest.
Recorded: 1988-06-30
Pages: 1
Assignee
E.I. DU PONT DE NEMOURS AND COMPANY
A CORP. OF DE, WILMINGTON, DELAWARE
Covered Property
(1)
Enzymatically Amplified Piezoelectric Specific Binding Assay
Patent:
4,999,284 →
Application:
07/178,366 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest in Patent Licenses
Jul 29, 1999
From: NEN ACQUISITION, INC.(TO BE RENAMED AS NEN LIFE SCIENCE PRODUCTS, INC.) (DE CORPORATION)
To: CREDIT SUISSE FIRST BOSTON, AS ADMINISTRATIVE AGENT
Reel/Frame 010144/0036 →
Grant of Security Interest in United States Patents, Trademarks and Other Intellectual Property Rights
Dec 14, 2001
From: DADE BEHRING MARBURG GMBH
To: DRESDNER BANK AKTIENGESELLSCHAFT IN FRANKFURT AM MAIN
Reel/Frame 012333/0714 →
Release of Security Interest
May 16, 2006
From: DRESDNER BANK AKTIENGESELLSCHAFT IN FRANKFURT AM MAIN
To: DADE BEHRING MARBURG GMBH
Reel/Frame 017675/0358 →