| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | Patent number: | Patent Date: |
| Patents for Helen A. Rider | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 221,253 | Nov. 04, 1879 | J.F. Rider | Improvement in machines for making scroll-saws | tool making machines | |