Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6367540 | Portable liquid cooling and heating apparatus | — | 2002-04-09 |
| 6325137 | Portable liquid cooling and heating apparatus | — | 2001-12-04 |
| 5762129 | Portable liquid cooling and heating apparatus | — | 1998-06-09 |
| 4362092 | Auxiliary ventilation system for underground sites | Gordon L. Elliott, Stephen Elliott | 1982-12-07 |
| 4259817 | Insulative roof apparatus | — | 1981-04-07 |