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Illuminated stereoscope
US 2,660,921 A
Filed
: 07/21/1951
Issued
: 12/01/1953
Est. Priority Date
: 07/21/1951
Status: Expired due to Term
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Current Assignee
John E. Gaulke
Original Assignee
John E. Gaulke
Inventors
Gaulke, John E.
Application Number
US03/237,949
Time in Patent Office
864 Days
Field of Search
US Class Current
359/475
CPC Class Codes
G02B 30/34
Stereoscopes providing a st...
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