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All Patents in class 451/343
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,091,851Mar. 31, 1914A.B. LandisAutomatic balancing mechanismbalancing machinery
1,277,472Sep. 03, 1918W.B. PeirceGrinding Machine
2,243,379May 27, 1941G.H. JohnsonMachine Toolbalancing machinery
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