Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796378 | Slip-on weed guard for fish hooks | Katharine C. Krueger, Herman A. Preus | 1989-01-10 |
| D291228 | Fishhook extractor | Katharine C. Krueger, Herman A. Preus, Bruce Nelson | 1987-08-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796378 | Slip-on weed guard for fish hooks | Katharine C. Krueger, Herman A. Preus | 1989-01-10 |
| D291228 | Fishhook extractor | Katharine C. Krueger, Herman A. Preus, Bruce Nelson | 1987-08-04 |