Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6935650 | Trailer hitch | James E. Grinde, Karl Hacken | 2005-08-30 |
| 6846000 | Trailer hitch | James E. Grinde, Karl Hacken | 2005-01-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6935650 | Trailer hitch | James E. Grinde, Karl Hacken | 2005-08-30 |
| 6846000 | Trailer hitch | James E. Grinde, Karl Hacken | 2005-01-25 |