DS

Douglas S. Sand

AT AT&T: 2 patents #7,280 of 18,772Top 40%
Overall (All Time): #1,303,913 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4720854 Architecture for distributed control telecommunication systems 1988-01-19
4694487 Controlling multi-fort hunt groups in a distributed control switching system Shih-Jeh Chang, Richard T. Emery, Shafik J. Hakim 1987-09-15
4583218 Control communication in a switching system having clustered remote switching modules Menachem T. Ardon, James Kennedy, Lawrence J. Trimnell, Meyer J. Zola 1986-04-15
4566094 Channel selection in a switching system having clustered remote switching modules Menachem T. Ardon, James Kennedy, Lawrence J. Trimnell, Meyer J. Zola 1986-01-21