Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5614662 | Apparatus and method for measuring a paper surface roughness | Matthew J. Hallan, Donald Frank Rogowski, Michael L. Shephard | 1997-03-25 |
| 5101774 | Acoustic leak detection system | Michael L. Marziale | 1992-04-07 |
| 4960079 | Acoustic leak detection system | Michael L. Marziale | 1990-10-02 |