| All Patents in class 310/246 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 620,609 | Mar. 07, 1899 | F. Schwedtmann, E.S. Pillsbury | Motor | electric motors |
| 714,811 | Dec. 02, 1902 | W.D. Litchfield | Brush-holder | motor brush holders |
| 973,836 | Oct. 25, 1910 | H.L. Zabriskie | Brush for dynamo-electric machines | |
| 1,090,159 | Mar. 17, 1914 | J.C. Lincoln | Brush-holder | motor brush holders |
| 1,198,235 | Sep. 12, 1916 | H.W. Jeannin | Alternating-current motor | repulsion start induction run motors |
| 1,209,443 | Dec. 19, 1916 | H.W. Jeannin | Alternating-current motor | repulsion start induction run motors |
| 1,275,458 | Aug. 13, 1918 | H.I. Finch, C.R. Meston | Brush-holder for commutator mechanisms | motor brushes |
| 1,428,342 | Sep. 05, 1922 | J.D. Nies | Brush mounting | motor brush holders |
| 1,435,209 | Nov. 14, 1922 | J.L. Chantemerle | Brush holder | motor brush holders |
| 1,594,597 | Aug. 03, 1926 | S.A. Brown, E.W. Brockmeyer | Electric motor | repulsion start induction run motors |
| 1,614,616 | Jan. 18, 1927 | J.T. Janette | Brush holder | motor brush holders |
| 2,481,499 | Sep. 13, 1949 | F. Collura | Brush and brush holder for electric drills | handheld power drills |
| 2,838,704 | Jun. 10, 1958 | E.F. Nevill | Brush Guard for Brush Holder Units | motor brush holders |
