Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876436 | PTC air heater employing triangular PTC heating elements | Mason Ide, Lee A. Prager | 1989-10-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876436 | PTC air heater employing triangular PTC heating elements | Mason Ide, Lee A. Prager | 1989-10-24 |