Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648748 | Vacuum conduit system for removal of fumes and air borne particulate matter | — | 2003-11-18 |
| 6478859 | Airborne particulate removal apparatus | Earl Holland, Clint Price, James Wymer | 2002-11-12 |
| 5499945 | Ventilation apparatus providing air extraction adjacent selected workstations in a confined space | Morris P. Kemps | 1996-03-19 |