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All Patents in class 470/98
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
807,166Dec. 12, 1905C.W. GrantTool-holder and toollathe tool holders
1,254,709Jan. 29, 1918O. Anderson, D. LevingerTapping Machine
1,708,183Apr. 09, 1929A. LevedahlSpindle lock
2,333,868Nov. 09, 1943O. KylinReleasing Tap Holder
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