Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5844406 | Method and apparatus for testing and measuring for porosity and anomalies of materials using electron beams | Robert Griebel | 1998-12-01 |
| 5824882 | Device for checking the porosity of thin rubber products | Robert Griebel | 1998-10-20 |