Inventor · disambiguated record
Randall Stephen Hansen
Also filed as: HANSEN RANDALL S · HANSEN RANDALL STEPHEN
3 granted patents·76 citations·filing 1990–2018
63Inventor score
Top patents by PatentIndex Score
3 records- 0171US5012512ATelephone operator and agent to database communication arrangementAT & T BELL LAB·Filed 1990·Granted Apr 30, 1991·76 cites·23 claims
- 0251US10567528B2System and method for exchanging a history of user activity informationAT & T IP I LP·Filed 2018·Granted Feb 18, 2020·0 cites·20 claims
- 0344US10154103B2System and method for exchanging a history of user activity informationAT & T IP I LP·Filed 2015·Granted Dec 11, 2018·0 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when Randall Stephen Hansen 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 →