| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 91/248 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 1,125,204 | Jan. 19, 1915 | R.C. Stevens | Engine Valve Gear | steam engine valve gear | |
| 5,715,724 | Feb. 10, 1998 | R.N. Harris, C.J. Crout | Adaptive, self-regulating forging hammer control system | drop hammers | |