Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5094404 | Dye spring elongated membrane design | Victor J. DesRosiers, Alvin D. Thomas, Brian P. Couchey | 1992-03-10 |
| 4789111 | Dye tube | Alvin D. Thomas | 1988-12-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5094404 | Dye spring elongated membrane design | Victor J. DesRosiers, Alvin D. Thomas, Brian P. Couchey | 1992-03-10 |
| 4789111 | Dye tube | Alvin D. Thomas | 1988-12-06 |