| All Patents in class 451/282 |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 228,574 | Jun. 08, 1880 | C. Vogel | Grinding-machine for file-blanks | tool making machines |
| 433,054 | Jul. 29, 1890 | J.M. Sweet | Machine for finishing wheel-rims | wheelwright |
| 720,912 | Feb. 17, 1903 | G. Gorton | Flat Surface Grinding Machine | grinding machines |
| 909,319 | Jan. 12, 1909 | A.M. McLeran | Sharpening Machine | sharpening machines |
| 909,707 | Jan. 12, 1909 | H.E. Sweet | Cutlery Grinder | sharpening machines |
| 1,013,760 | Jan. 02, 1912 | F.E. Gardner, F.N. Gardner | Disk grinder | sanding machines |
| 1,193,525 | Aug. 08, 1916 | P. Dosch, C.R. Dosch | Disk-grinding machine | sharpening machines |
| 1,220,086 | Mar. 20, 1917 | B.L. Fry | Grinding-machine | hand grinders |
| 2,315,891 | Apr. 06, 1943 | J.Y. Blazek, V.R. Roy, G.E. Sears | Apparatus for resurfacing | gasket surface maintenance |
| 2,645,886 | Jul. 21, 1953 | D.R. Peterson | Surface Grinder | surface grinders |
| 2,728,364 | Dec. 27, 1955 | A.A. Muehling | Universal machine tool having a swingable boom | tablesaws |
| 2,753,668 | Jul. 10, 1956 | J.J. Strnad | Surface grinder | gasket surface maintenance |
| 2,841,926 | Jul. 08, 1958 | W.A. Lebus | Knife Sharpener Casing | sharpening apparatus |
| 4,388,780 | Jun. 21, 1983 | S.C. Rees | Electric powered wet stone | |
