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HOME SECURITY SYSTEM UTILIZING TELEVISION SURVEILLANCE
US 3,482,037 A
Filed
: 08/01/1966
Issued
: 12/02/1969
Est. Priority Date
: 08/01/1966
Status: Expired due to Term
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Current Assignee
Albert L. Brown
,
Brown Marie Van Brittan
Original Assignee
Albert L. Brown
,
Brown Marie Van Brittan
Inventors
BROWN MARIE VAN BRITTAN
,
Brown, Albert L.
Application Number
US04/569,319
Time in Patent Office
1,219 Days
Field of Search
US Class Current
348/156
CPC Class Codes
H04M 11/025
Door telephones adapted for...
H04N 7/186
Video door telephones
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