Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5963031 | Method and apparatus for measuring the thickness of a non-ferromagnetic conductive layer on a ferromagnetic conductive substrate | Bruno de Limburg Stirum | 1999-10-05 |
| 4569229 | Ultrasonic process for measuring stress in a bolt or similar part adapted to this method | — | 1986-02-11 |