| All Patents in class 310/239 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 171,087 | Dec. 14, 1875 | J. Bishop | Electro Magnetic Engines | electric motors |
| 294,165 | Feb. 26, 1884 | C.J. Van Depoele | Motor for Electric Regulators | motor regulators |
| 942,382 | Dec. 07, 1909 | A. Kimble | Motor-controller | electrics |
| 1,395,440 | Nov. 01, 1921 | A.T. Lochner | Brush-holder | motor brush holders |
| 1,521,605 | Jan. 06, 1925 | F. Diehl | Brush holder for dynamo-electric machines | motor brush holders |
| 2,463,097 | Mar. 01, 1949 | J.D. Gayer | Brush holder | motor brush holders |
| 2,483,524 | Oct. 04, 1949 | S.S. Brown | Electric motor construction | electric motors |
| 2,763,802 | Sep. 18, 1956 | F.D. Dolan | Portable motor tool and method of assembling same | handheld circular saws |
| 2,954,492 | Sep. 27, 1960 | P.R. de Voe, W.C. Nussbaum | Brush ring assembly | electric motors |
| 3,112,419 | Nov. 26, 1963 | G.A. Dobslaw | Bearing and brush retainer | motor brush holders |
| 3,656,016 | Apr. 11, 1972 | A. Jacyno, H.R. Botefuhr | Subframe for power tool having double insulated brush holders | handheld power tools |