| All Patents in class 310/51 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 1,108,568 | Aug. 25, 1914 | V.A. Fynn | Dynamo-electric machine | electric motors |
| 1,823,555 | Sep. 15, 1931 | J.M. Naul | Electric phonograph motor | |
| 1,852,829 | Apr. 05, 1932 | A.F. Welch | Dynamo electric machine | induction motors |
| 2,136,301 | Nov. 08, 1938 | J.S. Hoddy, G.W. Hoddy | Dynamo-electric machine | |
| 2,696,569 | Dec. 07, 1954 | H.W. Schumann | Motor Tool | handheld grinders |
| 2,779,883 | Jan. 29, 1957 | H.W. Schumann | Motor tool | handheld power tools |
| 2,847,593 | Aug. 12, 1958 | L.G. Selbach, H.C. Bodine | Electric motor | motor bearings |
