Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4242564 | Frost plug immersion heater and improved clamping structure | — | 1980-12-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4242564 | Frost plug immersion heater and improved clamping structure | — | 1980-12-30 |