Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4907373 | Toric finer-polisher | Joseph Tusinski | 1990-03-13 |
| 4505261 | Modular passive solar heating system | — | 1985-03-19 |
| 4320599 | Polisher-finer apparatus | Phillip D. Hill | 1982-03-23 |