Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5314377 | Clean air isolation enclosure | — | 1994-05-24 |
| 5267895 | Air circulation system | George E. Mitchell | 1993-12-07 |
| 5180332 | Air circulation system | George E. Mitchell | 1993-01-19 |
| 5065668 | Air circulation system | George E. Mitchell | 1991-11-19 |