Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11810774 | Field emission devices | John Richardson Harris, John Lewellen | 2023-11-07 |
| 4378485 | Electric heating unit having noise isolation means for convoluted sheathed electric heater | Louis H. Fitzmayer | 1983-03-29 |