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Dual motor material handling device
US 2,658,609 A
Filed
: 05/03/1949
Issued
: 11/10/1953
Est. Priority Date
: 05/03/1949
Status: Expired due to Term
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Current Assignee
Carl S. Weyandt
Original Assignee
Carl S. Weyandt
Inventors
Weyandt, Carl S.
Application Number
US03/091,140
Time in Patent Office
1,652 Days
Field of Search
US Class Current
198/757
CPC Class Codes
B65B 1/22
by vibration
B65G 27/00
Jigging conveyors
B65G 2812/0392
Screw-, spiral- or ring-shaped
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