Inventor · disambiguated record
Douglas S. Sand
Also filed as: SAND DOUGLAS S
4 granted patents·144 citations·filing 1983–1985
81Inventor score
Top patents by PatentIndex Score
4 records- 0180US4583218AControl communication in a switching system having clustered remote switching modulesAT & T BELL LAB·Filed 1983·Granted Apr 15, 1986·30 cites·23 claims
- 0275US4720854AArchitecture for distributed control telecommunication systemsAMERICAN TELEPHONE & TELEGRAPH·Filed 1985·Granted Jan 19, 1988·47 cites·20 claims
- 0374US4566094AChannel selection in a switching system having clustered remote switching modulesAT & T BELL LAB·Filed 1983·Granted Jan 21, 1986·23 cites·15 claims
- 0473US4694487AControlling multi-fort hunt groups in a distributed control switching systemAMERICAN TELEPHONE & TELEGRAPH·Filed 1985·Granted Sep 15, 1987·44 cites·21 claims
Join the waitlist — get patent alerts
Get an alert when Douglas S. Sand files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →