Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5000153 | Sporting device for making and accurately throwing snowballs | K. DeMarr Zimmerman | 1991-03-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5000153 | Sporting device for making and accurately throwing snowballs | K. DeMarr Zimmerman | 1991-03-19 |