Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336444 | Apparatus and method for converting electrical energy into heat energy | Don W. Williams | 1982-06-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336444 | Apparatus and method for converting electrical energy into heat energy | Don W. Williams | 1982-06-22 |