| All Patents in class 310/68A |
Patents 1 -
15
of 23
      |
| Number | Date | Patentee | Title | Type |
| 605,850 | Jun. 21, 1898 | F.E. Briner | Electric motor | induction motors |
| 910,798 | Jan. 26, 1909 | W.O. Duntley | Electric hoist | hoists, winches, come-alongs |
| 979,143 | Dec. 20, 1910 | E.F. Faure | Controlling device for electrical apparatus | handheld power tools |
| 1,026,904 | May 21, 1912 | J. Burke | Electric motor | blowers |
| 1,084,590 | Jan. 13, 1914 | H.L. Zabriskie | Electric motor | |
| 1,245,860 | Nov. 06, 1917 | S.D. Black, A.G. Decker | Electrically-driven tool | handheld power tools |
| 1,411,712 | Apr. 04, 1922 | F. Diehl | Time-controlled motor | |
| 1,492,095 | Apr. 29, 1924 | S.D. Black, A.G. Decker | Electrically-driven tool | handheld power tools |
| 1,502,169 | Jul. 22, 1924 | C.B. Bennett | Electric tool | handheld power drills |
| 1,529,910 | Mar. 17, 1925 | R.A. Norling | Grip-handle switch for electric drills | handheld power drills |
| 1,546,474 | Jul. 21, 1925 | E.L. Connell | Electric switch and handle | handheld power drills |
| 1,577,976 | Mar. 23, 1926 | J.S. Knowlson, R.S. McKeage | Power-driven tool-operating device | handheld power drills |
| 1,587,566 | Jun. 08, 1926 | H.B. Tuthill | Electric-motor unit | wood lathes |
| 1,596,013 | Aug. 17, 1926 | J.J. Gebhardt | Control mechanism for electric tools | electric switches |
| 1,679,185 | Jul. 31, 1928 | B.W. Sweet | Screw driver | |
