Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6953257 | Outdoor light mounting system | — | 2005-10-11 |
| 5689906 | Method and apparatus for preparing ground surface for tree planting | Douglas W. Dillman, Timothy W. Vinge, Minoru Saruwatari, S. Carl Zanon | 1997-11-25 |
| 4472164 | Sprocket wheel | Russ Jay Ewert | 1984-09-18 |