Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5471867 | Inventory reconciliation for above ground storage tanks | John E. Tuma, Barry N. Williams | 1995-12-05 |
| 5347849 | Water sensor that detects tank or vessel leakage | Mahan L. Reeme, Barry N. Williams | 1994-09-20 |
| 4439730 | Nondestructive inspection apparatus and method utilizing combined inspection signals obtained from orthogonal magnetic fields | — | 1984-03-27 |