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Rotary brush construction
US 2,757,401 A
Filed
: 07/12/1950
Issued
: 08/07/1956
Est. Priority Date
: 07/12/1950
Status: Expired due to Term
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Current Assignee
Ruben O. Peterson
Original Assignee
Ruben O. Peterson
Inventors
Peterson, Ruben O.
Application Number
US03/173,464
Time in Patent Office
2,218 Days
Field of Search
US Class Current
15/182
CPC Class Codes
A46B 13/003
made up of a series of annu...
A47L 9/0477
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