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Stephen E. Schalk — 1 Patent

Walworth, WI: #11 of 26 inventorsTop 45%
Wisconsin: #23,997 of 40,088 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Stephen E. Schalk has been granted 1 US patent. All of these patents were granted in 2000. Stephen E. Schalk ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Stephen E. Schalk in Walworth, WI, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6142980 Multi-function medical control valve assembly — 2000-11-07

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