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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
08/08/1989
Application #:
07170016
Filing Dt:
03/18/1988
Inventors:
FRED A. HELVY, GILBERT N. BUTTERWICK
Title:
FOCUSING ELECTRODE STRUCTURE FOR PHOTOMULTIPLIER TUBES
Assignment: 1
Reel/Frame:
004874/0881Recorded: 03/18/1988Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
03/15/1988
Exec Dt:
03/15/1988
Assignee:
Correspondent:
MARTIN FRUITMAN
311 E. ORANGE STREET
LANCASTER, PA 17602
Assignment: 2
Reel/Frame:
005707/0021Recorded: 03/11/1991Pages: 46
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/11/1990
Assignee:
A MA BUSINESS TRUST
MASSACHUSETTS
Correspondent:
SUTHERLAND, ASBILL & BRENNAN
1275 PENNSYLVANIA AVENUE, N.W.
WASHINGTON, DC 20004-2404
ATTN: ELIZABETH C. BUCKINGHAM, ESQ.
Assignment: 3
Reel/Frame:
006309/0001Recorded: 07/30/1992Pages: 30
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
10/25/1991
Assignee:
Correspondent:
LINDA K. SULLIVAN
CARRUTHERS & ROTH, P.A.
235 NORTH EDGEWORTH STREET
GREENSBORO, NC 27401
Assignment: 4
Reel/Frame:
008013/0634Recorded: 06/25/1996Pages: 9
Conveyance:
RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
05/22/1996
Assignee:
P. O. BOX 8985
1105 N. MARKET STREET
WILMINGTON, DELAWARE 18985
Correspondent:
MORGAN, LEWIS & BOCKIUS LLP
KERRY A. KRZYNOWEK, ESQ.
1800 M STREET, N.W.
WASHINGTON, DC 20036

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