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US 3,153,798 A
Filed
: 06/29/1962
Issued
: 10/27/1964
Est. Priority Date
: 06/29/1962
Status: Expired due to Term
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Current Assignee
Wesley B. Drevitson
Original Assignee
Wesley B. Drevitson
Inventors
Drevitson, Wesley B.
Application Number
US04/207,168
Time in Patent Office
851 Days
Field of Search
US Class Current
14/69.5
CPC Class Codes
B65G 69/30
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