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Patents for Frederick Diehl
Patents 1 - 15 of 27
First set of recordsNext set of recordsLast set of records
NumberDatePatenteeTitleType
867,914Oct. 08, 1907A.F. Becker, F. DiehlElectric fan
938,649Nov. 02, 1909F. DiehlController for electric motors
961,135Jun. 14, 1910F. DiehlSewing-machine
1,037,217Sep. 03, 1912F. DiehlLubricating device
1,207,719Dec. 12, 1916H.L. Zabriskie, F. DiehlPortable motor-support
1,207,828Dec. 12, 1916H.L. Zabriskie, G.C. MarxPortable motor-support
1,212,002Jan. 09, 1917B.B. BeanValve Grinding Toolvalve grinding tools
1,253,795Jan. 15, 1918F. DiehlDrive-wheel
1,254,607Jan. 22, 1918W.F. KochMicrometermicrometers
1,369,407Feb. 22, 1921F. DiehlRheostat
1,369,408Feb. 22, 1921F. DiehlCommutator and commutator-barelectric motors
1,370,744Mar. 08, 1921F. DiehlWinding-machinemachine making
1,379,505May 24, 1921H.L. Zabriskie, F. DiehlLubricating-ringindustrial machine lubrication
1,403,151Jan. 10, 1922F. DiehlOscillating fan
1,411,712Apr. 04, 1922F. DiehlTime-controlled motor
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