Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D337959 | Fluid level probe mounting unit | Davie B. Lawhon, George Alexander | 1993-08-03 |
| 5199308 | Multi-functional level probe mounting device | Davie B. Lawhon, George Alexander | 1993-04-06 |
| 5167155 | Submersible liquid level measuring system and method of use | — | 1992-12-01 |
| 4897797 | Proportional chemical feeding system | Jerome J. Free, Jr., Davie B. Lawhon | 1990-01-30 |
| 4664528 | Apparatus for mixing water and emulsion polymer | John R. Schieber | 1987-05-12 |