| All Patents in class 451/358 |
Patents 1 -
15
of 18
      |
| Number | Date | Patentee | Title | Type |
| 456,366 | Jul. 21, 1891 | T.M. Milton | Hand-held line-powered drum sander | sanding machines |
| 549,250 | Nov. 05, 1895 | T.P. Owen | Tool Holder for Jewelers Lathes | lathe tool holders and tool posts |
| 979,143 | Dec. 20, 1910 | E.F. Faure | Controlling device for electrical apparatus | handheld power tools |
| 1,223,359 | Apr. 24, 1917 | J.O. Berg | Tool for treating stone, concrete and other materials | handheld power tools |
| 1,241,659 | Oct. 02, 1917 | E. Ritz, Jr. | Electric portable grinder | handheld grinders |
| 1,363,312 | Dec. 28, 1920 | A.A. Clarke | Surface-treating machine | drum sanders |
| 1,390,501 | Sep. 13, 1921 | A.A. Clarke | Motor-driven surface-treating machine | drum sanders |
| 1,575,307 | Mar. 02, 1926 | A.B. Bachmann | Flexible-shaft bench grinder | flexible shafts |
| 1,651,995 | Dec. 06, 1927 | W.P. Casey | Electric hand saw | handheld circular saws |
| 1,655,565 | Jan. 10, 1928 | R.A. Reid | Grinder and polisher | floor sanders |
| 1,776,450 | Sep. 23, 1930 | R.A. Reid | Sanding machine | floor sanders |
| 2,069,700 | Feb. 02, 1937 | A.N. Emmons | Abrading machine | sanding machines |
| 2,097,944 | Nov. 02, 1937 | L.G. Casey | Grinding machine | handheld power tools |
| 2,211,216 | Aug. 13, 1940 | J. Oster | Small power driven tool | handheld power tools |
| 2,377,271 | May 29, 1945 | R. Schümann | Flexible Shaft And Air-Cooled Hand Piece | handheld power tool accessories |
