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Patents Granted on 1921-05-24
Patents 1 - 7 of 7
First set of recordsLast set of records
D57,986May 24, 1921C.W. ManzellOil Gunoil cans
D57,987May 24, 1921C.W. ManzelGrease Gungrease guns
CA-211,956May 24, 1921C.F. WilliamsThread cutting machinemetal threading machines
1,379,297May 24, 1921E.R. DraverTire-carrier
1,379,332May 24, 1921G.P. ButlerExpansion-bitadjustable drill bits
1,379,505May 24, 1921H.L. Zabriskie, F. DiehlLubricating-ringindustrial machine lubrication
1,379,591May 24, 1921A.L. Forschler, P. ForschlerTire-carrier for motor-vehiclesmotor vehicles
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