Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
WL

Wilhelm Lewon — 3 Patents

3M: 3 patents #4,239 of 11,543Top 40%
Windom, MN: #1,016 of 2,819 inventorsTop 40%
Minnesota: #19,251 of 52,454 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Wilhelm Lewon has been granted 3 US patents while listed as an inventor at 3M. All of these patents were granted in 1990. Wilhelm Lewon ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Wilhelm Lewon in Windom, MN, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4964206 Intraocular lens anchoring filament to lens element fixation method Randall L. Knoll, James E. Aysta 1990-10-23 $7,957,000
4936849 Intraocular lens Randall L. Knoll, James E. Aysta 1990-06-26 $5,087,000
4919662 Hydrogel implant lens construction reconfigured dehydrated re-hydrated in situ Randall L. Knoll, Ronald F. Ofstead 1990-04-24 $12,226,000