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Home › 2022 › Gatekeeper Systems › Stephen E. Hannah
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Stephen E. Hannah — 4 Patents in 2022

GSGatekeeper Systems: 4 patents #1 of 7Top 15%
Placentia, CA: #2 of 31 inventorsTop 7%
California: #5,318 of 65,961 inventorsTop 9%
Overall (2022): #38,983 of 548,613Top 8%
4 Patents 2022

Issued Patents 2022

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11414117 Anti-theft system that uses shopping cart location and vibration data Scott J. Carter, Jesse M. James, Narayanan Ramanathan, Robert M. Harling, Jack L. Johnson 2022-08-16
11358621 System for monitoring and controlling shopping cart usage Scott J. Carter, Jesse M. James 2022-06-14
11299189 Motorized cart retriever for monitoring cart status Scott J. Carter, Jesse M. James 2022-04-12
11230313 System for monitoring and controlling shopping cart usage Scott J. Carter, Jesse M. James 2022-01-25

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