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Patents Granted on 1921-09-13
Patents 1 - 6 of 6
First set of recordsLast set of records
CA-213,309Sep. 13, 1921H.B. CallanderClamp for metal pipes
1,390,371Sep. 13, 1921C. MeyerWrenchautomotive specialty wrenches
1,390,498Sep. 13, 1921F.R. ChandleeGlazier's Hammerhammers
1,390,501Sep. 13, 1921A.A. ClarkeMotor-driven surface-treating machinedrum sanders
1,390,752Sep. 13, 1921T. BemisCarburetor
1,390,777Sep. 13, 1921M.B. GathmanFeeding devicemolders
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