Inventor · disambiguated record
David Andrew Hannah
Also filed as: HANNAH DAVID A · HANNAH DAVID ANDREW
3 granted patents·2 citations·filing 1991–2022
54Inventor score
Top patents by PatentIndex Score
3 records- 0172US11850493B2Ball tossing machinePROSIST SPORTS EQUIPMENT CO LLC·Filed 2022·Granted Dec 26, 2023·1 cites·20 claims
- 0250US11433288B1Ball tossing machinePROSIST SPORTS EQUIPMENT CO LLC·Filed 2021·Granted Sep 6, 2022·0 cites·20 claims
- 0321US5272482ARadar apparatusSMITHS INDUSTRIES PLC·Filed 1991·Granted Dec 21, 1993·1 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →