| All Patents in class 310/77 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 228,888 | Jun. 15, 1880 | W.W. Griscom | Regulating Electro-Magnetic Motors | motor regulators |
| 1,060,966 | May 06, 1913 | H.A. Balcome | Electric motor and brake | electric motors |
| 1,541,334 | Jun. 09, 1925 | A.J. Dremel | Electric hair clipper | hair clippers |
| 1,649,060 | Nov. 15, 1927 | A.G. Decker | Portable power-driven rotary tool with spindle latch and hand-operated chuck | handheld power drills |
| 1,805,164 | May 12, 1931 | R.L. Carter | Shaft holder for applying chucks | handheld routers |
| 1,823,555 | Sep. 15, 1931 | J.M. Naul | Electric phonograph motor | |
| 1,928,637 | Oct. 03, 1933 | R.A. Williams | Brake for woodworking machines | sanding machines |
| 2,119,986 | Jun. 07, 1938 | A.J. Dremel | Electric motor | handheld power tools |
| 2,218,168 | Oct. 15, 1940 | T.L. Hedgpeth | Power tool | handheld power tools |
| 2,876,369 | Mar. 03, 1959 | O. Doerner | Portable power drill | handheld power tools |
| 2,898,956 | Aug. 11, 1959 | W.B. Zern | Brake for electric hand tool | handheld routers |
| 3,032,667 | May 01, 1962 | A.J. Sorchy | Motor Brake | motor brakes |
| 3,038,109 | Jun. 05, 1962 | J.R. Mowery, Jr., C.B. Zimmerman | Braking systems for electrical motors | woodworking power transmission |
| 3,177,977 | Apr. 13, 1965 | R.P. Deghuee, E.B. Deuschle | Brake for radial arm saws or like machine tools | radial arm saws |
| 3,440,463 | Apr. 22, 1969 | T.W. Hennessey | Spring brake for saw motor | radial arm saws |
