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USPTO Patent Rankings Data through Dec 31, 2025
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Ralph E. Davidson — 2 Patents

SPSperry: 1 patents #355 of 841Top 45%
Pfizer: 1 patents #3,022 of 5,153Top 60%
Old Bethpage, NY: #18 of 43 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
Ralph E. Davidson has been granted 2 US patents while listed as an inventor at Sperry. The first was granted in 1980 and the most recent in July 1997. Ralph E. Davidson ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Ralph E. Davidson in Old Bethpage, NY, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5643730 Process for detecting specific mRNA and DNA in cells Michael J. Banker, Dennis Pereira 1997-07-01 $106,238,000
4237492 Image observation apparatus Irving Roth 1980-12-02 $1,764,000