| All Patents in class 407/28 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 392,597 | Nov. 13, 1888 | T. Eynon | Cutting-tool for milling and gear-cutting machines | milling machine cutters |
| 579,570 | Mar. 30, 1897 | E.R. Fellows | Cutter and cutter-head for gear-shaping machine | gear making machines |
| 1,689,973 | Oct. 30, 1928 | O. Severson | Cutter for Planing Gear Teeth | gear cutting tools |
| 2,124,126 | Jul. 19, 1938 | G.R. Scott | Cutting Tool | gear cutting tools |
| 2,386,572 | Oct. 09, 1945 | R.J. Pigott | Metalworking Machine | gear making machines |
| 2,962,799 | Dec. 06, 1960 | A.D. Moncrieff | Gear Cutting Device | gear making machines |
