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PAPER CONE ROLLING APPARATUS
US 3,402,646 A
Filed
: 02/07/1967
Issued
: 09/24/1968
Est. Priority Date
: 02/07/1967
Status: Expired due to Term
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Current Assignee
Lester F. Hall
Original Assignee
Lester F. Hall
Inventors
Hall, Lester F.
Application Number
US04/614,460
Time in Patent Office
595 Days
Field of Search
US Class Current
493/296
CPC Class Codes
B31C 7/08
Forming pointed cones
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