HS

Henricus J. H. Stoffelen

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Overall (All Time): #3,873,923 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5006753 Scandate cathode exhibiting scandium segregation Jan Hasker, Jacobus E. Crombeen, Anton K. Niessen 1991-04-09