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Patents Granted on 1931-09-29
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,824,944Sep. 29, 1931F.J. CarnelliChain Wrenchchain and strap wrenches
1,825,007Sep. 29, 1931N.F. McNaughtValve seat reconstruction tool
1,825,181Sep. 29, 1931W.C. De RooElectrical operated column clamp for radial drillsradial drill presses
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