| All Patents in class 451/236 |
Patents 16 -
28
of 28
      |
| Number | Date | Patentee | Title | Type |
| 1,197,006 | Sep. 05, 1916 | R.S. Brown | Buffing-machine | polishing and buffing machinery |
| 1,288,998 | Dec. 24, 1918 | E. Rivett | Grinding Machine | grinding machines |
| 1,424,148 | Aug. 01, 1922 | P.L. Billingsley | Flexible operating mechanism | routing machines |
| 1,514,448 | Nov. 04, 1924 | R.D. Eaglesfield | Swing saw | circular crosscut saws |
| 1,553,167 | Sep. 08, 1925 | E.R. Hyde | Swing Frame Grinder | grinding machines |
| 1,795,262 | Mar. 03, 1931 | H.L. Myers | Base machine | |
| 1,800,307 | Apr. 14, 1931 | W.A. Marschke, F.W. Marschke | Swing grinder | |
| 2,132,640 | Oct. 11, 1938 | E.S. Mummert | Grinding machine | |
| 2,452,206 | Oct. 26, 1948 | H.S. Newton | Sanding machine | belt sanders |
| 2,535,908 | Dec. 26, 1950 | L.A. Epplin | Radial arm power saw | radial arm saws |
| 2,561,589 | Jul. 24, 1951 | H.S. Newton | Swing sander | belt sanders |
| 2,723,598 | Nov. 15, 1955 | T.C. Mann | Power actuated router | routing machines |
| 2,930,291 | Mar. 29, 1960 | M. Wahlstrom, R.F. Bannow | Hinged Joint Adapter | metalworking machine mechanisms |
