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Patents Granted on 1913-03-18
Patents 1 - 7 of 7
First set of recordsLast set of records
1,056,089Mar. 18, 1913P.H. Robinson, G.W. ConklinTool-holdertool holders
1,056,186Mar. 18, 1913F. LaplantDial Test Indicatortest indicators
1,056,242Mar. 18, 1913A.W. WhitcombAutomatic Compensating Magnetic Clutchmetalworking variable speed mechanisms
1,056,243Mar. 18, 1913A.W. WhitcombDouble-acting clutchmetalworking power transmission
1,056,332Mar. 18, 1913J. Hartness, G.A. PerryTurret-latheturret lathes
1,056,466Mar. 18, 1913P.A. SolemCutter-head-securing meansmolders
1,056,670Mar. 18, 1913L.S. HaydenExpansion Bitdrill bits
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