Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6857218 | Ice fishing tip-up device | Kenneth Grahl, Rick D. Dreikosen | 2005-02-22 |
| 5251707 | Ice auger cutting head | — | 1993-10-12 |
| 4373287 | Fishing tip-up | — | 1983-02-15 |
| 4285154 | Tip-up flag device for ice fishing | — | 1981-08-25 |