Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7112247 | Canned gas dust remover with air ionizer | William Stelcher | 2006-09-26 |
| 4780705 | Overfill sensing system | — | 1988-10-25 |
| 4500881 | Inductively-coupled signalling system | — | 1985-02-19 |