| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for F. J. Wallis | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 1,172 | Jun. 18, 1839 | S.H. Wills | Improvement in Machines for Cutting Screws in Wood for Framing Purposes | wood threading machines | |