| Patents for United States Electrical Tool Co. |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 511,570 | Dec. 26, 1893 | H.P. White | Rotary electro-magnetic engine | electric motors |
| 1,550,712 | Aug. 25, 1925 | J.A. Smith | Grinding machine | bench or pedestal grinders |
| RE17,087 | Sep. 18, 1928 | P.L. Billingsley | Sawing device | combination machines |
| 1,760,257 | May 27, 1930 | J.A. Smith | Switch | handheld power drills |
| 1,827,269 | Oct. 13, 1931 | G.E. Smith | Tool driving apparatus | handheld power tools |
| 1,827,270 | Oct. 13, 1931 | G.E. Smith | Grinding wheel guard | bench or pedestal grinders |
| 1,923,760 | Aug. 22, 1933 | J.A. Smith | Grinding machine | bench or pedestal grinders |
| 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 | |
| D112,728 | Dec. 27, 1938 | G.A. Weingartner | Design for a power driven hand tool unit | handheld power sanders |
| D123,257 | Oct. 29, 1940 | G.D. Behlen | Design for a portable electric sander or the like | handheld power sanders |
| D124,057 | Dec. 17, 1940 | G.D. Behlen | Design for a portable power driven tool unit | handheld power drills |
| 2,271,933 | Feb. 03, 1942 | G.D. Behlen | Power hammer | handheld power tools |
| 2,281,722 | May 05, 1942 | G.E. Smith | Sanding or polishing pad | handheld power sanders |
| 2,301,156 | Nov. 03, 1942 | G.D. Behlen | Ventilation system for portable power tools | handheld power tools |
