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US 2,538,165 A
Filed
: 01/06/1949
Issued
: 01/16/1951
Est. Priority Date
: 01/06/1949
Status: Expired due to Term
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Current Assignee
Richard F. Randtke
Original Assignee
Richard F. Randtke
Inventors
Randtke, Richard F.
Application Number
US03/069,466
Time in Patent Office
740 Days
Field of Search
US Class Current
220/559
CPC Class Codes
B42F 17/02
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