| All Patents of Type: motor commutators |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 260,111 | Jun. 27, 1882 | T.J. McTighe, J.J. McTighe | Commutator for dynamo electric machines | motor commutators |
| 271,947 | Feb. 06, 1883 | E. Thomson | Commutator for Dynamo Machines | motor commutators |
| 313,489 | Mar. 10, 1885 | W.P. Freeman | Commutator for dynamo electric machine | motor commutators |
| 323,976 | Aug. 11, 1885 | E. Thomson | Automatic commutator adjuster for dynamo electric machines | motor commutators |
| 336,636 | Feb. 23, 1886 | J.M. Léscuyer | Dynamo Electric Machine | motor commutators |
| 392,490 | Nov. 06, 1888 | C.E. Billings | Commutator-bar for dynamo-electric machines | motor commutators |
| 480,739 | Aug. 16, 1892 | H.F. Parshall | Commutator for electro-magnetic machines | motor commutators |
| 493,439 | Mar. 14, 1893 | A.W. Meston | Commutator for dynamo-electric machines and method of constructing same | motor commutators |
| 642,743 | Feb. 06, 1900 | S. Evershed | Commutator for Electric Motors or Generators | motor commutators |
| 653,945 | Jul. 17, 1900 | J. Burke | Commutator-segment | motor commutators |
| 854,704 | May 21, 1907 | W.J. Richards | Dynamo-electric machine | motor commutators |
| 1,061,251 | May 06, 1913 | J. Burke | Commutator | motor commutators |
| 1,090,328 | Mar. 17, 1914 | C.B. Mills | Single-phase motor | motor commutators |
| 1,255,681 | Feb. 05, 1918 | C.C. Zenk | Commutator | motor commutators |
| 1,271,984 | Jul. 09, 1918 | H.L. Zabriskie, G.C. Marx | Commutator and commutator-bar | motor commutators |
