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Radio and television survey system
US 2,896,070 A
Filed
: 07/02/1956
Issued
: 07/21/1959
Est. Priority Date
: 07/02/1956
Status: Expired due to Term
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8
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8 Citations
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Current Assignee
Harold N. Parker
,
Herbert Fremont
Original Assignee
Harold N. Parker
,
Herbert Fremont
Inventors
Fremont, Herbert
,
Parker, Harold N.
Application Number
US03/595,251
Time in Patent Office
1,114 Days
Field of Search
US Class Current
455/132
CPC Class Codes
H04H 60/32
Arrangements for monitoring...
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