WG

Wilhelm A. Grogen

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Overall (All Time): #3,717,112 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5635429 Method of making a substrate of a ceramic material Marcellinus J. Kraan, Paulus F. Van Hal, Gijsbertus De With 1997-06-03