| All Patents in class 451/153 |
Patents 1 -
10
of 15
      |
| Picture | Number | Date | Patentee | Title |
 | 605,627 | Jun. 14, 1898 | J. Boyle | Knife-sharpening mechanism for leather-shaving machines |
 | 2,002,666 | May 28, 1935 | C. Johnson, C.L. Mattison | Abrading or polishing machine |
| | 2,106,216 | Jan. 25, 1938 | A.M. Johnson | Honing machine |
| | 2,171,271 | Aug. 29, 1939 | A.M. Johnson | Honing machine |
 | 2,180,911 | Nov. 21, 1939 | B.S. Rogers | Universal lawn mower grinder |
| | 2,194,638 | Mar. 26, 1940 | H.J. Caldwell | Horizontal honing machine |
| | 2,245,922 | Jun. 17, 1941 | A.M. Johnson | Horizontal honing machine |
| | 2,246,199 | Jun. 17, 1941 | H.J. Caldwell | Horizontal honing machine |
| | 2,247,479 | Jul. 01, 1941 | H.J. Caldwell | Honing machine |
| | 2,247,502 | Jul. 01, 1941 | A.M. Johnson | Honing machine |
