Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8973954 | Dual purpose dimple for HVAC circular ductwork | Vincent L. Bloom, Duane Fetko | 2015-03-10 |
| 8429803 | Dual purpose dimple for HVAC circular ductwork | Vincent L. Bloom, Duane Fetko | 2013-04-30 |