Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5602531 | Electronic article surveillance system with adaptive filtering and digital detection | Michael John Rude, Samuel H. Tao | 1997-02-11 |
| 5598869 | Pressure regulating unit | — | 1997-02-04 |