Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5857679 | Tennis rebound net | Cynthia Ringe | 1999-01-12 |
| 4523881 | Lateral force system and support for supporting mine roofs | — | 1985-06-18 |
| 4415294 | Support means and system for supporting mine roofs | — | 1983-11-15 |