Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668940 | Cultivator point assembly | — | 2003-12-30 |
| D318005 | Tool for use primarily by the elderly in performing manual operations | Paul Ryan | 1991-07-09 |
| 4779686 | Ploughshare assembly having holder rotatably engageable with aperture in ploughshare | — | 1988-10-25 |
| 4564074 | Agricultural implement | — | 1986-01-14 |
| 4453866 | Feeding granular material into a gas stream | — | 1984-06-12 |