| All Patents in class 451/352 |
Patents 1 -
15
of 44
      |
| Number | Date | Patentee | Title | Type |
| 728,423 | May 19, 1903 | A.T. Spence, J.H. Prugh, S.B. Zimmer | Floor surfacer, cleaner, and polisher | sanding machines |
| 763,605 | Jun. 28, 1904 | D. Hepp | Tool-holder | |
| 779,584 | Jan. 10, 1905 | E.L. Buzzell | Abrading-machine | sanding machines |
| 798,455 | Aug. 29, 1905 | M.L. Schlueter | Floor-surfacing machine | sanding machines |
| 800,962 | Oct. 03, 1905 | C.B. Wattles | Floor-dressing machine | |
| RE12,681 | Aug. 20, 1907 | A.T. Spence, S.B. Zimmer, J.H. Prugh | Floor surfacer, cleaner and polisher | sanding machines |
| 884,433 | Apr. 14, 1908 | L.H. Veronneau | Floor-dressing machine | |
| 932,466 | Aug. 31, 1909 | F. Harbers | Planing and sanding machine | sanding machines |
| 1,060,041 | Apr. 29, 1913 | F. Wagner | Floor Planing Machine | wood planers |
| 1,279,082 | Sep. 17, 1918 | J.A. Campbell | Dressing-machine for floors, &c. | floor sanders |
| 1,352,582 | Sep. 14, 1920 | A.A. Clarke | Surface-treating device | |
| 1,352,583 | Sep. 14, 1920 | A.A. Clarke | Surface-treating machine | drum sanders |
| 1,356,338 | Oct. 19, 1920 | A.A. Clarke | Surface-treating device | |
| 1,356,339 | Oct. 19, 1920 | A.A. Clarke | Surface-treating machine | drum sanders |
| 1,366,633 | Jan. 25, 1921 | A.A. Clarke | Work-engaging support for surface-treating machine | drum sanders |
