| Patents for American Floor Surfacing Machine Co. |
Patents 1 -
10
of 82
      |
| Picture | Number | Date | Patentee | Title |
 | RE12,681 | Aug. 20, 1907 | A.T. Spence, S.B. Zimmer, J.H. Prugh | Floor surfacer, cleaner and polisher |
 | 928,154 | Jul. 13, 1909 | J.H. Prugh | Surfacing and polishing machine |
 | 1,374,345 | Apr. 12, 1921 | H.H. Wolfe | Tension means for floor-surfacing machines |
 | 1,438,283 | Dec. 12, 1922 | H.H. Wolfe | Floor-surfacing machine |
 | 1,537,279 | May 12, 1925 | H.H. Wolfe | Universal joint |
 | 1,669,994 | May 15, 1928 | H.L. Myers | Base grinding-machine wheel |
 | 1,719,072 | Jul. 02, 1929 | H.L. Myers | Brush-retaining device |
 | 1,757,679 | May 06, 1930 | H.L. Myers | Clamping device |
 | 1,772,964 | Aug. 12, 1930 | R.F. Shunk | Handle switch construction |
 | 1,782,376 | Nov. 18, 1930 | H.L. Myers, H.H. Wolfe | Rotary drum machine |
