Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6179525 | Floating dock section | Ryan B. Gruhn, Michael E. Irlmeier | 2001-01-30 |
| 6073572 | Floating dock | Ryan B. Gruhn, Michael E. Irlmeier, Philip R. Littler, Christopher E. Schafer, Steve Irlmeier, deceased | 2000-06-13 |