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Variable vertical speed mixer
US 2,931,232 A
Filed
: 05/13/1957
Issued
: 04/05/1960
Est. Priority Date
: 05/13/1957
Status: Expired due to Term
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Current Assignee
Eugene Martin
Original Assignee
Eugene Martin
Inventors
EUGENE MARTIN
Application Number
US03/658,659
Time in Patent Office
1,058 Days
Field of Search
US Class Current
74/16
CPC Class Codes
A21C 1/147
for planetary motion
Y10T 74/19451
Spur gears
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