Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7497250 | Triangular shaped heat exchanger | Joe E. Sumter, Jr. | 2009-03-03 |
| D483454 | Portable collapsible triangularly-shaped heat exchanger having upwardly-directed exhaust | Joe E. Sumter, Jr. | 2003-12-09 |