Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5118526 | Method of producing a simulated watermark | James E. Nangle | 1992-06-02 |
| D274432 | Rotary lawn mower | Terence F. Porter | 1984-06-26 |
| D274250 | Rotary lawn mower | Terence F. Porter | 1984-06-12 |
| D270937 | Stove | Terence F. Porter | 1983-10-11 |