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USPTO Patent Rankings Data through Dec 31, 2025
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William O. Campbell — 6 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Northwestern University: 1 patents #1,629 of 3,846Top 45%
Boston, MA: #1,265 of 5,993 inventorsTop 25%
Massachusetts: #20,532 of 88,656 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
William O. Campbell has been granted 6 US patents while listed as an inventor at Unknown. The first was granted in 1986 and the most recent in November 2016. William O. Campbell ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list William O. Campbell in Boston, MA, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9482604 Equi-biaxial membrane stretcher Michael Howard, Jarrett Shamlian, Kai-Tak Wan 2016-11-01
4750630 Baby bottle with integral handle Nickie G. Campbell 1988-06-14
4733412 Insulated ski glove 1988-03-29
4700856 Baby bottle with disposable liner Nickie G. Campbell 1987-10-20
D286911 Baby bottle Nickie G. Campbell 1986-11-25
4570808 Baby bottle with integral handle Nickie G. Campbell 1986-02-18