| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 409/46 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 551,065 | Dec. 10, 1895 | C.C. Tyler | Involute-curve-shaping machine | gear making machines | |
| 749,606 | Jan. 12, 1904 | H. Bilgram | Gear-cutting machine | gear making machines | |
| 2,270,741 | Jan. 20, 1942 | J.D. Rovick | Machine and Tool for Finishing Gears | gear making machines | |