Patent Assignment
Reel/Frame 004326/0959
Assignment of Assignors Interest.
Recorded: 1984-11-13
Pages: 1
Assignee
E.I. DU PONT DE NEMOURS AND COMPANY, A DE CORP.
WILMINGTON, DELAWARE
Covered Property
(1)
Kit for Silver Staining Proteins and Nucleic Acids
Patent:
4,575,452 →
Application:
06/652,890 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 21, 1998
From: E.I. DU PONT DE NEMOURS & CO.
To: NEN LIFE SCIENCE PRODUCTS, INC.
Reel/Frame 009178/0720 →
Security Interest
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 010113/0001 →