Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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William Sitton — 2 Patents

IBM: 1 patents #44,878 of 70,183Top 65%
Charlotte, NC: #1,852 of 4,868 inventorsTop 40%
North Carolina: #18,944 of 45,564 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
William Sitton has been granted 2 US patents while listed as an inventor at IBM. The first was granted in 1990 and the most recent in July 1999. William Sitton ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list William Sitton in Charlotte, NC, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5919206 Surgical tool Mark S. Gengler 1999-07-06
4958195 Method and apparatus for fusing envelopes Rowland V. D. Firth, III, Quay C. Hunter, Jr., Ronald A. Kohlin 1990-09-18 $36,344,000