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All Patents in class 408/228
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,227,514May 22, 1917T.B. Williams, F.L. SmithRotary cutterautomotive tools
1,285,350Nov. 19, 1918C.A. PalmgrenTooldrill bits
4,720,219Jan. 19, 1988F.N. Rabo, S.J. MasonekReboring Tool
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