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Patents Granted on 1953-07-28
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,646,685Jul. 28, 1953H.E. WillittsShaft vibratorsanding machines
2,646,687Jul. 28, 1953W.E. De WaldHelical shaft machinespiral screwdrivers
2,646,697Jul. 28, 1953C.A. Phillips, W.B. SanfordSaw sharpenersaw sharpening machines
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