| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for D. B. Young | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 890,210 | Jun. 09, 1908 | E.P. Bullard, Jr. | Friction-Clutch | metalworking machine clutches | |
| 993,290 | May 23, 1911 | E.P. Bullard, Jr. | Turret Head for Machine Tools | vertical turret lathes | |