Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4499640 | Method of manufacturing capacitance-type material level indicator probe | Ronald G. Brenton | 1985-02-19 |
| 4499767 | Capacitance-type material level indicator | George H. Fathauer, Charles F. Hood | 1985-02-19 |