| All Patents of Type: commutator dressing machines |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 505,838 | Oct. 03, 1893 | J.A. Mebane | Lathe for Dressing Commutators | commutator dressing machines |
| 579,965 | Apr. 06, 1897 | T. Dowman | Portable Tool Post | commutator dressing machines |
| 586,514 | Jul. 13, 1897 | P.B. Bosworth | Commutator Truing Device | commutator dressing machines |
| 632,666 | Sep. 05, 1899 | F. Wilkie | Commutator Grinding Rig | commutator dressing machines |
| 660,618 | Oct. 30, 1900 | P.B. Bosworth | Device for truing commutators | commutator dressing machines |
| 803,657 | Nov. 07, 1905 | O. Zschockelt | Collector-Polisher | commutator dressing machines |
| 857,931 | Jun. 25, 1907 | C.H. Frick | Tool for Turning and Dressing Commutators | commutator dressing machines |
| 982,367 | Jan. 24, 1911 | W.H. Jordan | Machine for Grinding Commutators of Dynamos and Motors | commutator truing tools |
| 1,468,127 | Sep. 18, 1923 | W.S. Peterson | Ring Turning Device | commutator dressing machines |
| 1,712,053 | May 07, 1929 | H. Shapan | Commutator-Truing Device | commutator dressing machines |
| 1,767,151 | Jun. 24, 1930 | C.M. McCord | Commutator lathe | commutator dressing machines |
| 2,281,307 | Apr. 28, 1942 | E.L. Johnson | Commutator lathe and mica trimmer | commutator dressing machines |
