PH

Petrus A.M. Van Der Heide

U.S. Philips: 1 patents #139 of 781Top 20%
Overall (1997): #93,316 of 185,788Top 55%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5666022 Dispenser cathode and method of manufacturing a dispenser cathode Jacobus A. J. M. Deckers, Theodorus H. Weekers, Albert Manenschijn, Franciscus M. M. Snijkers 1997-09-09