| All Patents in class 29/597 |
Patents 1 -
6
of 6
      |
| Picture | Number | Date | Patentee | Title |
| | 473,567 | Apr. 26, 1892 | C.G. Curtis | Commutator Connection for Electric Motors or Generators |
 | 1,195,861 | Aug. 22, 1916 | E.F. Smith | Manufacture and construction of commutators |
 | 1,284,362 | Nov. 12, 1918 | W.H. Kempton | Molded commutator-cylinder |
| | 1,360,165 | Nov. 23, 1920 | C.C. Zenk | Method for making commutators |
 | 2,354,551 | Jul. 25, 1944 | M.B. Sawyer | Electromagnetic apparatus and method of making the same |
| | 3,421,212 | Jan. 14, 1969 | E.W. Chabot | Method of producing commutator lead connection |
