Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659900 | Sizing and stabilizing apparatus for bicycle helmets | Andrew Ziegler | 1997-08-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659900 | Sizing and stabilizing apparatus for bicycle helmets | Andrew Ziegler | 1997-08-26 |