HP

Henrikus J. H. Pragt

PA Philips Electronics North America: 3 patents #126 of 725Top 20%
U.S. Philips: 3 patents #1,741 of 8,851Top 20%
Overall (All Time): #887,378 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5729078 Electric lamp with containment sleeve having a helically coiled metal wire 1998-03-17
5532543 High density discharge lamp with pinched-on containment shield Bart van der Leeuw, Albert E. Kowal, Joseph E. Canale 1996-07-02
5471110 High pressure discharge lamp having filament electrodes Bart van der Leeuw, Joseph E. Canale, Albert E. Kowal, Thomas Morris 1995-11-28
5406165 High pressure discharge lamp having a containment sleeve fused to the exhaust tube 1995-04-11
5402033 High pressure discharge lamp having clamped-on containment sleeve Bart van der Leeuw, Thomas Morris, Joseph E. Canale 1995-03-28
5008592 Halogen incandescent lamp and method of manufacturing a halogen incandescent lamp 1991-04-16