Inventor · disambiguated record
Stephen A. Roberts
Also filed as: ROBERTS JR STEPHEN ALEXANDER · ROBERTS STEPHEN · ROBERTS STEPHEN A
8 granted patents·100 citations·filing 1986–2021
86Inventor score
Files withAT & T IP I LP2OTIS ELEVATOR CO2ROBERTS STEPHEN A2ROBERTS MARKETING CO1ROBERTS MARKETING INC1
Top patents by PatentIndex Score
8 records- 0180US5969306AElevator car call buttons indicating car floor positionOTIS ELEVATOR CO·Filed 1998·Granted Oct 19, 1999·44 cites·4 claims
- 0273USD359944SSupport rack for mounting between opposite side vehicle windowsROBERTS STEPHEN A·Filed 1994·Granted Jul 4, 1995·19 cites·1 claims
- 0370USD298658SPurse illuminatorROBERTS STEPHEN A·Filed 1986·Granted Nov 22, 1988·14 cites·1 claims
- 0457US11222308B2Automated equipment tracking for service techniciansAT & T IP I LP·Filed 2019·Granted Jan 11, 2022·0 cites·20 claims
- 0553US12307414B2Automated equipment tracking for service techniciansAT & T IP I LP·Filed 2021·Granted May 20, 2025·0 cites·18 claims
- 0647USD358676SPurse lightROBERTS MARKETING CO·Filed 1993·Granted May 23, 1995·7 cites·1 claims
- 0732US5918704ACar door lockOTIS ELEVATOR CO·Filed 1996·Granted Jul 6, 1999·11 cites·11 claims
- 0828US5347440APortable lightROBERTS MARKETING INC·Filed 1993·Granted Sep 13, 1994·5 cites·13 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →