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USPTO Patent Rankings Data through Dec 31, 2025
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Leon M. Ryan — 1 Patent

De Queen, AR: #25 of 57 inventorsTop 45%
Arkansas: #2,854 of 5,804 inventorsTop 50%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Leon M. Ryan has been granted 1 US patent. All of these patents were granted in 2000. Leon M. Ryan ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Leon M. Ryan in De Queen, AR, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6161229 Powered lift toilet seat with armrests Charles K. Dorland, Eldridge P. Douglass 2000-12-19

Frequent Collaborators

Eldridge P. Douglass1 shared
Charles K. Dorland1 shared

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