Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D625259 | Bottle-shaped turbine | Marvin Winkler | 2010-10-12 |
| D625260 | Bottle-shaped turbine | Marvin Winkler | 2010-10-12 |
| D625261 | Beverage can-shaped turbine | Marvin Winkler | 2010-10-12 |