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Electronic matting apparatus
US 2,974,190 A
Filed
: 12/09/1957
Issued
: 03/07/1961
Est. Priority Date
: 12/09/1957
Status: Expired due to Term
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Current Assignee
Joseph R. Geiger
Original Assignee
Joseph R. Geiger
Inventors
Geiger, Joseph R.
Application Number
US03/701,513
Time in Patent Office
1,184 Days
Field of Search
US Class Current
348/587
CPC Class Codes
H04N 5/272
Means for inserting a foreg...
H04N 9/75
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