Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4967592 | Test probe for use in a storage tank leak detection system | Peter J. Lagergren | 1990-11-06 |
| 4921150 | Automatic dispensing apparatus having low power consumption | Peter J. Lagergren, Lacy C. Lance | 1990-05-01 |
| 4895441 | Method and apparatus for precision ranging | — | 1990-01-23 |
| 4850226 | Interface circuit for use in an echo ranging system | Peter J. Lagergren | 1989-07-25 |
| 4732035 | Method and apparatus for storage tank leak detection having temperature compensation | Peter J. Lagergren | 1988-03-22 |