Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648011 | Vacuum demand valve | Atif M. Yardimci, Mark C. Perry | 2003-11-18 |
| 6604545 | Vacuum demand valve | Mark Williamson, Scott R. Ariagno, Alan W. Marttila, Paul M. DiPerna, Michael R. Prisco +5 more | 2003-08-12 |
| 6550493 | Vacuum demand valve | Mark Williamson, Scott R. Ariagno, Alan W. Marttila, Paul M. DiPerna, Michael R. Prisco +5 more | 2003-04-22 |