JH

Johan Hendrikus Helfferich

FL Fluke: 1 patents #284 of 518Top 55%
Overall (All Time): #3,697,430 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5812112 Method and system for building bit plane images in bit-mapped displays 1998-09-22