Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4813269 | Magnetic interface contaminant collector for leak detector in above ground tank | Arthur R. Brown | 1989-03-21 |
| 4813277 | Method for collecting magnetizable particles in an above ground storage tank | Arthur R. Brown | 1989-03-21 |
| 4813284 | Method for establishing a clean interface in a leak detector in an above ground storage tank | Arthur R. Brown | 1989-03-21 |
| 4813285 | Apparatus for establishing a clean interface in a leak detector | Arthur R. Brown | 1989-03-21 |