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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Michael Pfisterer — 1 Patent

Pfizer: 1 patents #3,022 of 5,153Top 60%
Mystic, CT: #142 of 230 inventorsTop 65%
Connecticut: #21,465 of 34,797 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
David Michael Pfisterer has been granted 1 US patent while listed as an inventor at Pfizer. All of these patents were granted in 2001. David Michael Pfisterer ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list David Michael Pfisterer in Mystic, CT, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6232500 Process for preparing a ketimine Juan Colberg, Geraldine Patricia Taber 2001-05-15 $572,634,000