Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4502330 | Pulse-echo system for measuring parameters of a tubular test object | — | 1985-03-05 |
| 4398420 | System for measuring the wall thickness of an object | Gerardus M. Keltjens | 1983-08-16 |