Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8282742 | Portable industrial vacuum system | Robert M. Reavis | 2012-10-09 |
| 6093226 | Vacuum filtration system | — | 2000-07-25 |
| 5399319 | Apparatus for filtering air and for creating a positive/negative pressure | Robert M. Reavis | 1995-03-21 |