| Patents for United States Electrical Tool Co. |
Patents 1 -
10
of 21
      |
| Picture | Number | Date | Patentee | Title |
 | 511,570 | Dec. 26, 1893 | H.P. White | Rotary electro-magnetic engine |
| | 1,550,712 | Aug. 25, 1925 | J.A. Smith | Grinding machine |
 | 1,570,092 | Jan. 19, 1926 | J.A. Smith | Grinding machine |
 | RE17,087 | Sep. 18, 1928 | P.L. Billingsley | Sawing device |
| | 1,760,257 | May 27, 1930 | J.A. Smith | Switch |
| | 1,827,269 | Oct. 13, 1931 | G.E. Smith | Tool driving apparatus |
| | 1,827,270 | Oct. 13, 1931 | G.E. Smith | Grinding wheel guard |
| | 1,923,760 | Aug. 22, 1933 | J.A. Smith | Grinding machine |
| | 1,986,378 | Jan. 01, 1935 | J.A. Smith | Apparatus for air purification |
| | 1,991,337 | Feb. 12, 1935 | J.C. Smith | Dust separating apparatus |
