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Patents for Edwin L. Connell
Patents 1 - 14 of 14
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,471,308Oct. 16, 1923E.L. ConnellElectric switch
1,536,565May 05, 1925E.L. ConnellGuard for grinding wheelsbench or pedestal grinders
1,546,474Jul. 21, 1925E.L. ConnellElectric switch and handlehandheld power drills
1,587,760Jun. 08, 1926E.L. ConnellElectric motorhandheld power drills
RE16,737Sep. 13, 1927E.L. ConnellElectric switchhandheld power tools
1,679,155Jul. 31, 1928E.L. ConnellPower hand tool
1,679,175Jul. 31, 1928F. Schneider, E.L. ConnellChuck
1,692,487Nov. 20, 1928E.L. ConnellMotor-driven threading tool
1,732,038Oct. 15, 1929F. Schneider, E.L. ConnellStud-setting machine
1,754,222Apr. 15, 1930E.L. ConnellElectric drill
1,834,145Dec. 01, 1931E.L. ConnellValve seating counterboring tool
1,852,736Apr. 05, 1932E.L. ConnellDrilling or tapping machine
1,854,825Apr. 19, 1932E.L. ConnellMethod of making alpha collet
1,917,752Jul. 11, 1933E.L. ConnellCollet
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