JG

Johan C. de Grijs

U.S. Philips: 3 patents #1,741 of 8,851Top 20%
Overall (All Time): #1,685,041 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4356811 Solar collector Herman Bloem 1982-11-02
4270520 Solar collector comprising an evaporation/condensation system Faramarz Mahdjuri, George A. A. Asselman 1981-06-02
4194493 Solar collector 1980-03-25