Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635429 | Method of making a substrate of a ceramic material | Marcellinus J. Kraan, Paulus F. Van Hal, Gijsbertus De With | 1997-06-03 |
WG
Wilhelm A. Grogen
Overall (1997): #182,831 of 185,788Top 100%
1
Patents 1997