Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942764 | Mounting head for a resistance-tape level sensor | William E. Pierce, John A. Gunnarson, Albert D. Ehrenfried | 1990-07-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942764 | Mounting head for a resistance-tape level sensor | William E. Pierce, John A. Gunnarson, Albert D. Ehrenfried | 1990-07-24 |