Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10955071 | Underground double wall coaxial piping system | Douglas Duane Parazoo | 2021-03-23 |
| 10846972 | Vending machine | Roger O. Claghorn, John Dundon, Ron Lovall, Kevin Ward, Tom Unsicker | 2020-11-24 |