WB

William R. Belfield

AT AT&T: 2 patents #7,280 of 18,772Top 40%
BT Bbn Technologies: 1 patents #47 of 126Top 40%
VE Verizon: 1 patents #3,381 of 6,226Top 55%
Overall (All Time): #1,251,745 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7389233 Self-organizing speech recognition for information extraction Herbert Gish 2008-06-17
4896346 Password controlled switching system William J. Erwin, Thomas J. Geers, Jr., Roy V. Grubbe, Stephen W. Handy, Robert J. Perdue 1990-01-23
4654863 Wideband adaptive prediction Raymond S. Medaugh 1987-03-31
4475227 Adaptive prediction 1984-10-02