Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6948364 | Apparatus for detecting the internal liquid level in a vessel | Leo T. Van Lahr | 2005-09-27 |
| 6615658 | Method and apparatus for detecting the internal liquid level in a vessel | — | 2003-09-09 |
| 6568263 | Liquid level detector and system | — | 2003-05-27 |