| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 72/438 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 4,653,300 | Mar. 31, 1987 | C.J. Crout, C.W. Frame, R.N. Harris | Adaptive, self-regulating forging hammer control system | drop hammers | |
| 5,715,724 | Feb. 10, 1998 | C.J. Crout, R.N. Harris | Adaptive, self-regulating forging hammer control system | drop hammers | |