Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8521452 | Liquid level determination system | Thomas F. Smaidris, James Marion Boyd, Gregory Louis Valenti | 2013-08-27 |
| 8340929 | Liquid level determination system and associated methods | Thomas F. Smaidris, James Marion Boyd, Gregory Louis Valenti | 2012-12-25 |
| D314039 | Hand pump for bailing liquids | Randall Smith | 1991-01-22 |