Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6346041 | Economizer | John Desmond, Rumen N. Raykov, Benjamin J. Kalinowski, Brett O'Brien, William J. Cleary +1 more | 2002-02-12 |
| 5465533 | Modular roof curb assembly construction and interlocking joint means therefor | Stephen M. Petro, John Desmond | 1995-11-14 |