MB

Michael Bals

SU Summagraphics: 1 patents #21 of 40Top 55%
Overall (All Time): #3,861,738 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5157227 Digitizer tablet with regional error correction Robert M. McDermott 1992-10-20