| All Patents in class 451/352 |
Patents 16 -
30
of 43
      |
| Number | Date | Patentee | Title | Type |
| 1,374,345 | Apr. 12, 1921 | H.H. Wolfe | Tension means for floor-surfacing machines | sanding machines |
| 1,404,342 | Jan. 24, 1922 | A.A. Clarke | Surface-treating machine | drum sanders |
| 1,406,275 | Feb. 14, 1922 | C.G. Norman | Sandpapering machine | sanding machines |
| 1,407,381 | Feb. 21, 1922 | A.A. Clarke | Surface-treating tool | drum sanders |
| 1,448,966 | Mar. 20, 1923 | J. Kigas | Floor and surfacing machine | sanding machines |
| 1,576,428 | Mar. 09, 1926 | O.E. Hadwiger | Floor-surfacing machine | sanding machines |
| 1,640,933 | Aug. 30, 1927 | L.M. Gries | Floor-surfacing machine | sanding machines |
| 1,681,506 | Aug. 21, 1928 | I.V. Spurlin | Dustpan for floor-surfacing machines | sanding machines |
| 1,782,376 | Nov. 18, 1930 | H.L. Myers, H.H. Wolfe | Rotary drum machine | sanding machines |
| 1,914,280 | Jun. 13, 1933 | H.L. Myers | Edging attachment for drum sanding machines | sanding machines |
| 1,934,814 | Nov. 14, 1933 | H.L. Myers | Light weight surfacing machine | |
| 1,974,136 | Sep. 18, 1934 | A.N. Emmons | Abrading or surface finishing machine | sanding machines |
| 1,998,417 | Apr. 16, 1935 | A.N. Emmons | Abrading machine | sanding machines |
| 2,014,186 | Sep. 10, 1935 | H.L. Myers | Road surfacing machine | |
| RE19,707 | Sep. 17, 1935 | H.L. Myers | Light weight surfacing machine | |
