Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635429 | Method of making a substrate of a ceramic material | Wilhelm A. Grogen, Marcellinus J. Kraan, Gijsbertus De With | 1997-06-03 |
PH
Paulus F. Van Hal
Overall (1997): #94,833 of 185,788Top 55%
1
Patents 1997