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Method and apparatus for increasing the coefficient of friction between metal surfaces
US 2,995,393 A
Filed
: 10/30/1957
Issued
: 08/08/1961
Est. Priority Date
: 10/30/1957
Status: Expired due to Term
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Current Assignee
Solomon Charp
Original Assignee
Solomon Charp
Inventors
SOLOMON CHARP
Application Number
US03/693,360
Time in Patent Office
1,378 Days
Field of Search
US Class Current
291/11.1
CPC Class Codes
B05B 5/032
for spraying particulate ma...
B61C 15/102
with sanding equipment of m...
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