Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7862063 | Bicycle frame composed with convoluted curves | Robert Ernest Stumm | 2011-01-04 |
| D542717 | Bicycle frame composed with convoluted curves | Robert Ernest Stumm | 2007-05-15 |