PH

Petrus A.M. Van Der Heide

U.S. Philips: 2 patents #2,537 of 8,851Top 30%
Overall (All Time): #2,248,195 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5890941 Method of manufacturing a dispenser cathode Jacobus A. J. M. Deckers, Theodorus H. Weekers, Albert Manenschijn, Franciscus M. M. Snijkers 1999-04-06
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