Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10640360 | Apparatus and method for automatically updating the relationship between measured storage tank depth and storage tank volume and monitoring the accuracy of a dispenser flow meter | Paul E. Johnson, Mark Butsch | 2020-05-05 |
| 10301167 | Apparatus and method for automatically updating the relationship between measured storage tank depth and storage tank volume, and monitoring the accuracy of a dispenser flow meter | Paul E. Johnson, Mark Butsch | 2019-05-28 |