Inventor

SAND DOUGLAS S

US4 patents

⚠️ This page may combine multiple inventors who share the name “SAND DOUGLAS S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AT & T BELL LAB

2 patents

US4583218AApr 15, 1986

Control communication in a switching system having clustered remote switching modules

AT & T BELL LAB30 citations91

US4566094AJan 21, 1986

Channel selection in a switching system having clustered remote switching modules

AT & T BELL LAB23 citations80

AMERICAN TELEPHONE & TELEGRAPH

2 patents

US4694487ASep 15, 1987

Controlling multi-fort hunt groups in a distributed control switching system

AMERICAN TELEPHONE & TELEGRAPH44 citations90

US4720854AJan 19, 1988

Architecture for distributed control telecommunication systems

AMERICAN TELEPHONE & TELEGRAPH47 citations89