Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Paul Hahn — 2 Patents

SCSchering: 1 patents #1,469 of 2,442Top 65%
WJWesley Jessen: 1 patents #14 of 27Top 55%
Skokie, IL: #278 of 674 inventorsTop 45%
Illinois: #34,875 of 84,256 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Paul Hahn has been granted 2 US patents while listed as an inventor at Schering. The first was granted in 1990 and the most recent in November 1991. Paul Hahn ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Paul Hahn in Skokie, IL, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5062701 Asymmetric contact lens Martin J. Drazba, Michael L. Bellek, Samuel Dranoff 1991-11-05 $73,964,000
4976533 Method for measuring the rotation of an assymetric contact lens and lenses for practicing the method John H. Reynolds, IV, Alan Digby Tomlinson, Robert O'Meara, Martin J. Drazba 1990-12-11 $51,154,000