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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
04/07/1992
Application #:
07636053
Filing Dt:
12/31/1990
Inventors:
DAVID F. FREEMAN, WILLIAM J. FONSECA
Title:
APPARATUS FOR DETECTING SONAR SIGNALS EMBEDDED IN NOISE
Assignment: 1
Reel/Frame:
005622/0492Recorded: 03/06/1991Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
03/01/1991
Exec Dt:
03/01/1991
Assignee:
WALTHAM, MASSACHUSETTS
Correspondent:
J. STEPHEN YEO
GTE SERVICE CORP.
40 SYLVAN RD.
WALTHAM, MA 02254
Assignment: 2
Reel/Frame:
010526/0309Recorded: 01/03/2000Pages: 9
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
09/08/1999
Assignee:
77 A STREET
NEEDHAM, MASSACHUSETTS 02494
Correspondent:
JENNER & BLOCK
STANLEY A. SCHLITTER
ONE IBM PLAZA
CHICAGO, IL 60611

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