| All Patents in class 451/442 |
Patents 1 -
15
of 18
      |
| Number | Date | Patentee | Title | Type |
| 11,107 | Jun. 20, 1854 | E. Allen | Improved veneer-polisher | belt sanders |
| 426,860 | Apr. 29, 1890 | S. Ross, Jr. | Sand-paper machine for boots or shoes | sanding machines |
| 497,738 | May 16, 1893 | A. Wood | Boring-mill | vertical boring mills |
| 622,212 | Apr. 04, 1899 | R. Dutton | Twist-drill grinder | drill grinders |
| 803,800 | Nov. 07, 1905 | E.W. Bailey | Polishing-belt deflector | belt sanders |
| 804,793 | Nov. 14, 1905 | W. Lodge, N.D. Chard | Gage Device for Lathes | metal lathe accessories and attachments |
| 900,249 | Oct. 06, 1908 | O.C. Wysong | Abrasive apparatus | sanding machines |
| 904,817 | Nov. 24, 1908 | F. Stutzman | Universal grinding-machine | bench or pedestal grinders |
| 916,740 | Mar. 30, 1909 | L. Lucas | Sanding-machine | sanding machines |
| 994,358 | Jun. 06, 1911 | O.C. Wysong | Abrasive apparatus | sanding machines |
| 1,063,923 | Jun. 03, 1913 | L. Lucas | Sanding-machine | sanding machines |
| 1,286,977 | Dec. 10, 1918 | P.P. Fenaux | Grinding Machine | grinding machines |
| 1,952,087 | Mar. 27, 1934 | N.F. McNaught, E.H. Peterson | Valve guide and unseater | |
| 2,006,554 | Jul. 02, 1935 | C. Herfurth | Grinding Machine | grinding machines |
| 2,087,662 | Jul. 20, 1937 | R.T. Finn, E.T. Bysshe | Grinding Machine | grinder dressers |
