Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5874899 | Tank level gauge and sensor head therefor | Gaston C. Barmore, Jr., Richard G. Fenner | 1999-02-23 |
| 5289372 | Global equipment tracking system | Jon E. Guthrie, Francis M. Marble | 1994-02-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5874899 | Tank level gauge and sensor head therefor | Gaston C. Barmore, Jr., Richard G. Fenner | 1999-02-23 |
| 5289372 | Global equipment tracking system | Jon E. Guthrie, Francis M. Marble | 1994-02-22 |