| All Patents in class 451/124 |
Patents 1 -
15
of 28
      |
| Number | Date | Patentee | Title | Type |
| 104,584 | Jun. 21, 1870 | C. Hardy | Improvement in grinding ledger and fly-blades, planer-knives, etc. | cutter grinding |
| 120,700 | Nov. 07, 1871 | N.H. Bolton | Improvement in machines for sharpening saws | woodworking machine sharpening mechanisms |
| 439,418 | Oct. 28, 1890 | A.H. Morton | Grinding Machine | grinding machines |
| 453,297 | Jun. 02, 1891 | G.W. Watrous | Grinding Machine | surface grinders |
| 626,451 | Jun. 06, 1899 | M.D. Pratt, C.A. Alden | Saw Grinding Machine | saw sharpening machines |
| 654,314 | Jul. 24, 1900 | A.B. Landis | Grinding-machine | grinders |
| 1,209,594 | Dec. 19, 1916 | A.H. Kling | Axle Truing Device | axle cutters and threaders |
| 1,496,522 | Jun. 03, 1924 | J. Canning | Abrading and polishing machine | |
| 1,915,323 | Jun. 27, 1933 | F.L. Lane | Mounting for direct motor drive sander drums | sanding machines |
| 1,922,246 | Aug. 15, 1933 | A.M. Johnson | Machine tool | honing machines |
| 1,965,235 | Jul. 03, 1934 | F.S. Haas | Grinding Machine | grinding machines |
| 2,106,217 | Jan. 25, 1938 | A.M. Johnson | Machine tool | |
| 2,652,664 | Sep. 22, 1953 | F.C. Savage, J.A. Allan | Operator-controlled Grinding Machine With Optical Comparator | profile and contour grinders |
| 2,785,591 | Mar. 19, 1957 | V.H. Hildebrant | Saw grinding machine | woodworking machine sharpening mechanisms |
| 2,791,871 | May 14, 1957 | A.M. Johnson | Honing machine | honing machines |
