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TELEVISION COMMUNICATION SYSTEMS
US 3,534,161 A
Filed
: 01/06/1967
Issued
: 10/13/1970
Est. Priority Date
: 01/24/1966
Status: Expired due to Term
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Current Assignee
Gordon A. Friesen
,
James F. Culbertson
Original Assignee
Gordon A. Friesen
,
James F. Culbertson
Inventors
Friesen, Gordon A.
,
Culbertson, James F.
Application Number
US04/607,676
Time in Patent Office
1,376 Days
Field of Search
US Class Current
725/84
CPC Class Codes
G08B 3/1008
Personal calling arrangemen...
H04M 11/027
Annunciator systems for hos...
H04M 9/001
Two-way communication syste...
H04N 7/183
for receiving images from a...
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