Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006013 | Granular type structure with moisture retaining top surface | Emmet F. Brieger | 1991-04-09 |
| 4881846 | Built-up playing court structure and method for its construction | — | 1989-11-21 |