RB

Robert K. Blackhall

MI Mitel: 1 patents #90 of 264Top 35%
TS Trillium Telephone Systems: 1 patents #9 of 18Top 50%
Overall (All Time): #2,354,650 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4538031 Home communications and control system Gordon D. Benning, Brian J. Pascas, Paul S. Wilker, Graham Neathway 1985-08-27
4459434 Home telephone exchange Gordon D. Benning, Brian J. Pascas, Paul S. Wilker, Graham Neathway 1984-07-10