RH

Ronald Den Heyer

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Overall (All Time): #3,882,620 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5038570 Piston engine and cryo-cooler provided with such a piston engine Johan Frederik Dijksman, Adrianus H. Meesterburrie, Theodorus Franciscus Emilius Maria Overes, Peter G. M. Simons 1991-08-13