Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6131769 | Apparatus for detecting low liquid level in bottom-draining container | Clark E. Harris | 2000-10-17 |
| 6012606 | Apparatus for detecting low liquid level in bottom-draining container | Clark E. Harris | 2000-01-11 |