Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5259854 | Disposable HEPA filtration device | — | 1993-11-09 |
| 5054252 | System for sealing asbestos contaminated material in building crawl space | — | 1991-10-08 |
| 4993313 | Control system for doors of a negative air pressure enclosure | Anthony Natale | 1991-02-19 |
| 4922806 | Doors for negative air pressure enclosure | Anthony Natale | 1990-05-08 |
| 4818970 | Fire condition detection and control system for air moving and filtering units | Anthony Natale, Thomas Natale | 1989-04-04 |
| 4786295 | Filtration device for airborne contaminants | Anthony Natale, Thomas Natale | 1988-11-22 |