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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Stephen E. Hannah — 2 Patents in 2016

GSGatekeeper Systems: 2 patents #1 of 5Top 20%
Placentia, CA: #2 of 35 inventorsTop 6%
California: #12,284 of 57,791 inventorsTop 25%
Overall (2016): #97,070 of 481,213Top 25%
2 Patents 2016

Issued Patents 2016

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9403548 Monitoring usage or status of cart retrievers Jesse M. James, Chandrashekhar Ekbote 2016-08-02
9322658 Wheel skid detection during mechanized cart retrieval Scott J. Carter, Jesse M. James 2016-04-26