Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6179525 | Floating dock section | Ryan B. Gruhn, Kurt L. McCuen | 2001-01-30 |
| 6073572 | Floating dock | Ryan B. Gruhn, Philip R. Littler, Kurt L. McCuen, Christopher E. Schafer, Steve Irlmeier, deceased | 2000-06-13 |