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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
12/07/1999
Application #:
08687682
Filing Dt:
07/26/1996
Inventors:
RAJIV PORAYATH, DANIEL J. MAPES-RIORDAN
Title:
ACOUSTIC FEEDBACK ELIMINATION USING ADAPTIVE NOTCH FILTER ALGORITHM
Assignment: 1
Reel/Frame:
009448/0560Recorded: 09/08/1998Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
07/25/1996
Exec Dt:
07/25/1996
Assignee:
222 HARTREY AVENUE
EVANSTON, ILLINOIS 60202
Correspondent:
BANNER & WITCOFF, LTD.
SHELDON W. WITCOFF
10 SOUTH WACKER DRIVE
SUITE 3000
CHICAGO, IL 60606
Assignment: 2
Reel/Frame:
010892/0485Recorded: 05/31/2000Pages: 7
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
06/18/1999
Assignee:
222 HARTREY AVENUE
EVANSTON, ILLINOIS 60202
Correspondent:
BANNER & WITCOFF, LTD.
JANICE V. MITRIUS
SUITE 3000
TEN SOUTH WACKER DRIVE
CHICAGO, ILLINOIS 60606

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