| All Patents in class 310/66 |
Patents 1 -
15
of 26
      |
| Number | Date | Patentee | Title | Type |
| 255,236 | Mar. 21, 1882 | C.E. Ball | Electric drill | handheld power drills |
| 501,482 | Jul. 11, 1893 | H.L. Parker, A.W. Meston | Revolving motor | |
| 642,615 | Feb. 06, 1900 | C.W. Kragh | Dynamo Electric Machine | motor bearings |
| 644,591 | Mar. 06, 1900 | W.P. Freeman | Electric drill, &c. | drill presses |
| 701,115 | May 27, 1902 | C.E. Willey | Drilling machinery | drill presses |
| 712,537 | Nov. 04, 1902 | C.S. Hisey | Electric grinding device | handheld power tools |
| 751,485 | Feb. 09, 1904 | C.A. Eck | Fan | fans |
| 979,143 | Dec. 20, 1910 | E.F. Faure | Controlling device for electrical apparatus | handheld power tools |
| 1,043,887 | Nov. 12, 1912 | J.B. Wiard | Dynamo-electric machine | induction motors |
| 1,158,543 | Nov. 02, 1915 | R.A. Norling | Electric drill | handheld power drills |
| 1,411,538 | Apr. 04, 1922 | A.H. Sweetland | Hand drill | handheld power drills |
| 1,423,190 | Jul. 18, 1922 | G. Clements | Blower | handheld power blowers |
| 1,468,307 | Sep. 18, 1923 | G.C. Marx | Sewing-machine motor | |
| 1,587,865 | Jun. 08, 1926 | F. Schneider | Grinding machine | bench or pedestal grinders |
| 1,648,888 | Nov. 15, 1927 | F.E. Aurand | Portable surface-cleaning tool | |
