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Patents Granted on 1931-04-21
Patents 1 - 9 of 9
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,801,326Apr. 21, 1931O. BoisvertGuard for planing machinesjointers
1,801,425Apr. 21, 1931W.B. GrueterSawmill setworkssawmill set works
1,801,443Apr. 21, 1931F. MesingerTool Holderautomobile accessories
1,801,545Apr. 21, 1931G.A. DunnJogging mechanism for tying machinesbox making machines
1,801,686Apr. 21, 1931E.J. Kearney, J.B. Armitage, F.A. ParsonsMachine-Tool Organizationmilling machines
1,801,982Apr. 21, 1931D.B. SalstromForm tool for carving machinescarving machines
1,802,051Apr. 21, 1931R.J. GitsReservoir Grease Cupgrease cups
1,802,096Apr. 21, 1931H.E. TautzPlaner attachment for jointersjointers
1,802,140Apr. 21, 1931J.G. De RemerPortable massage machineexercise and sports equipment
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