Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6328304 | Vehicle for football game | — | 2001-12-11 |
| 6068537 | Game apparatus and method | — | 2000-05-30 |
| D357970 | Aeration spray arm unit for use in swimming pools | Joseph E. Boardman | 1995-05-02 |
| 4909575 | Road cutting equipment | — | 1990-03-20 |
| 4762371 | Road planning equipment | — | 1988-08-09 |