| All Patents in class 310/43 |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
| | 942,699 | Dec. 07, 1909 | L.H. Baekeland | Method of making insoluble products of phenol and formaldehyde |
 | 1,284,524 | Nov. 12, 1918 | C.E. Wilson, W.H. Kempton, A.J. Bastian | Molded commutator-cylinder |
| | 1,360,166 | Nov. 23, 1920 | C.C. Zenk | Commutator |
| | 1,852,829 | Apr. 05, 1932 | A.F. Welch | Dynamo electric machine |
| | 2,233,946 | Mar. 04, 1941 | K.A. Harmon | Magneto |
 | 2,562,283 | Jul. 31, 1951 | M.B. Sawyer, Sr. | Metal cast electric motor |
| | 3,121,813 | Feb. 18, 1964 | L.C. Pratt, J.G. Raymond | Electric power unit |
| | 3,344,291 | Sep. 26, 1967 | L.C. Pratt | Double insulated hand tool |
| | 3,695,344 | Oct. 03, 1972 | A. Schnizler, Jr. | Heat Insulation Means for Power Tools |
