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USPTO Patent Rankings Data through Dec 31, 2025
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James D. Royston — 2 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Alfred, NY: #14 of 32 inventorsTop 45%
New York: #49,169 of 115,490 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
James D. Royston has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 1990 and the most recent in May 1992. James D. Royston ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list James D. Royston in Alfred, NY, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5117139 Superconducting bearings with levitation control configurations Yury Flom 1992-05-26
4960760 Contactless mass transfer system Xingwu Wang 1990-10-02