Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4963170 | Inflow and outflow HEPA vent filter for asbestos work areas | John E. Weber | 1990-10-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4963170 | Inflow and outflow HEPA vent filter for asbestos work areas | John E. Weber | 1990-10-16 |