HP

Heinrich A. Pfeffer

Overall (All Time): #4,069,407 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4328667 Field-emission ion source and ion thruster apparatus comprising such sources Dominique Valentian, Cesare Bartoli, Hans-Joachim Herhudt V. Rohden, Duncan Stewart 1982-05-11