| All Patents in class 451/164 |
Patents 16 -
30
of 31
      |
| Number | Date | Patentee | Title | Type |
| 451,801 | May 05, 1891 | C. Bransgrove | Plane-Iron-Sharpening Apparatus | sharpening machines |
| 487,328 | Dec. 06, 1892 | E. Houlbrook | Tool-Sharpener | sharpening machines |
| 704,785 | Jul. 15, 1902 | C.H. Driver | Sandpapering-machine | belt sanders |
| 835,317 | Nov. 06, 1906 | O.H. Ostlund | Floor-polishing device | |
| 946,635 | Jan. 18, 1910 | F. Franke | Machine for grinding straight machine-knives | cutter grinding |
| 1,212,214 | Jan. 16, 1917 | J. Halterbeck | Abrading-machine | sanding machines |
| 1,684,464 | Sep. 18, 1928 | E.R. Young | Sanding machine | sanding machines |
| 2,074,844 | Mar. 23, 1937 | C.H. Hill | Metalworking Machine | metal lathe accessories and attachments |
| 2,106,217 | Jan. 25, 1938 | A.M. Johnson | Machine tool | |
| 2,163,604 | Jun. 27, 1939 | A.M. Johnson | Honing machine | honing machines |
| 2,268,028 | Dec. 30, 1941 | W.M. Fairbairn | Honing machine | honing machines |
| 2,327,022 | Aug. 17, 1943 | S. Einstein, H. Ernst, A.H. Dall | Surface Finishing Machinery | grinding machines |
| 2,377,272 | May 29, 1945 | E.Y. Seborg | Honing machine | honing machines |
| 2,540,889 | Feb. 06, 1951 | J. Jesionowski | Filing machine | filing machines |
| 2,630,721 | Mar. 10, 1953 | J. McEwan | Saw sharpener | saw sharpening machines |
