Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5890959 | High efficiency blower system with integral backflow preventor | Julie T. Pettit, Theodore Ernst Bruning, III, Robert Ducharme, Michael K. Ferris | 1999-04-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5890959 | High efficiency blower system with integral backflow preventor | Julie T. Pettit, Theodore Ernst Bruning, III, Robert Ducharme, Michael K. Ferris | 1999-04-06 |