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CLOSED-CIRCUIT TV SWITCHING SYSTEM
US 3,511,926 A
Filed
: 03/07/1967
Issued
: 05/12/1970
Est. Priority Date
: 03/07/1967
Status: Expired due to Term
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Current Assignee
Benjamin C. Lami
Original Assignee
Benjamin C. Lami
Inventors
Lami, Benjamin C.
Application Number
US04/621,167
Time in Patent Office
1,162 Days
Field of Search
US Class Current
348/705
CPC Class Codes
H04N 7/181
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