| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 91/514 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 2,713,246 | Jul. 19, 1955 | H. Fritschi, A.H. Dall | Tracer Control Mechanism Having Independent Rate and Direction Control | profiling machines | |