Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4531416 | Pressure transducer | Daniel M. Clementi, Glenn Kipp | 1985-07-30 |
| 4511948 | Two layer probe | Frederick L. Maltby, Jack G. Benning, Jr. | 1985-04-16 |
| 4428026 | Two layer probe | Frederick L. Maltby, Jack G. Benning, Jr. | 1984-01-24 |
| 4301681 | Method of using capacitor probe with a semiconductive electrode | Frederick L. Maltby, Jack G. Benning, Jr. | 1981-11-24 |
| 4232300 | Level measuring system using admittance sensing | William S. Wright | 1980-11-04 |