Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5303442 | Machine for lasting side portions of shoe uppers | James R. Flanders, Frank Hartshorn | 1994-04-19 |
| 5101528 | Machine for roughing side walls portions of a shoe | James R. Flanders | 1992-04-07 |
| 4404701 | Shoe support | Frank Hartshorn, Brian J. Murphy | 1983-09-20 |
| 4400839 | Machine for lasting heel seat portions of shoes | Frank Hartshorn, Ivor J. R. le Vesconte, Brian J. Murphy | 1983-08-30 |