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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
5135852
Issue Dt:
08/04/1992
Application #:
07384813
Filing Dt:
07/25/1989
Inventors:
RICHARD C. EBERSOLE, ROBERT P. FOSS, MICHAEL D. WARD
Title:
PIEZOELECTRIC CELL GROWTH BIOSENSING METHOD USING PRECIPITATION OF AMPHOTERIC POLYMER-METABOLIC PRODUCT COMPLEXES
Assignment: 1
Reel/Frame:
005138/0759Recorded: 09/01/1989Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
EBERSOLE, RICHARD C.
Exec Dt:
07/21/1989
FOSS, ROBERT P.
Exec Dt:
07/21/1989
WARD, MICHAEL D.
Exec Dt:
07/21/1989
Assignee:
E.I. DU PONT DE NEMOURS AND COMPANY
A CORP. OF DE
WILMINGTON, DELAWARE
Correspondent:
LYNN N. FISHER
PATENT DIVISION, LEGAL DEPT.
E.I. DU ONT DE NEMOURS AND CO.
WILMINGTON, DE 19898
Assignment: 2
Reel/Frame:
010144/0036Recorded: 07/29/1999Pages: 80
Conveyance:
SECURITY INTEREST IN PATENT LICENSES
Assignor:
NEN ACQUISITION, INC.(TO BE RENAMED AS NEN LIFE SCIENCE PRODUCTS, INC.) (DE CORPORATION)
Exec Dt:
06/30/1997
Assignee:
CREDIT SUISSE FIRST BOSTON, AS ADMINISTRATIVE AGENT
11 MADISON AVENUE
NEW YORK, NEW YORK 10010
Correspondent:
SIMPSON THACHER & BARTLETT
LORI E. LESSER, ESQ.
425 LEXINGTON AVE.
NEW YORK, NY 10017

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