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Brush
US 1,970,302 A
Filed
: 09/13/1932
Issued
: 08/14/1934
Est. Priority Date
: 09/13/1932
Status: Expired due to Term
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Current Assignee
Charles C. Gerhardt
Original Assignee
Charles C. Gerhardt
Inventors
Gerhardt, Charles C.
Application Number
US02/632,875
Time in Patent Office
700 Days
Field of Search
US Class Current
15/183
CPC Class Codes
A46B 13/001
Cylindrical or annular brus...
B24D 13/10
comprising assemblies of br...
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