HA

Herman H. M. van der Aa

U.S. Philips: 3 patents #1,741 of 8,851Top 20%
Overall (All Time): #1,663,035 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5171179 Method of manufacturing a color display tube 1992-12-15
4421099 Solar collector 1983-12-20
4416261 Solar collector comprising an absorber plate which exchanges heat with the evaporator section of a heat pipe 1983-11-22