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All Patents in class 403/300
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
162,874May 04, 1875W. WellsAuger-Bit Extensiondrill bit extensions
1,412,469Apr. 11, 1922F.A. JimersonFluid-actuated rotary toolpneumatic tools
2,726,091Dec. 06, 1955L.P. ToparTool Holdertool holders
2,896,955Jul. 28, 1959W.A. TreppardTool Holder and Tool Assemblydrilling and boring tool holders
3,603,624Sep. 07, 1971L.A. AttermeyerAntibacklash Couplingmetalworking machine mechanisms
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