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Patents Granted on 1931-08-11
Patents 1 - 7 of 7
First set of recordsLast set of records
1,817,910Aug. 11, 1931R.S. BrownChain mortisermortising machines
1,817,980Aug. 11, 1931H.S. Forsberg, J. DonnellySaw frameframe saws
1,818,089Aug. 11, 1931F.A. ParsonsMilling Machine Transmissionmilling machines
1,818,305Aug. 11, 1931G.M. ClassCollet Chuckmetal lathe chucks
1,818,501Aug. 11, 1931E.A. OdinUniversal visebench vises
1,818,823Aug. 11, 1931A.L. StowellBrace Bit Extensiondrill bit extensions
1,818,869Aug. 11, 1931E.J. ReedeToolpliers
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