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Patents Granted on 1931-04-21
Patents 1 - 6 of 6
First set of recordsLast set of records
1,801,326Apr. 21, 1931O. BoisvertGuard for planing machinesjointers
1,801,425Apr. 21, 1931W.B. GrueterSawmill setworkssawmill set works
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
1,802,096Apr. 21, 1931H.E. TautzPlaner attachment for jointersjointers
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