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Ewald E. Listau — 1 Patent

OROrcon: 1 patents #13 of 28Top 50%
Randolph, WI: #4 of 6 inventorsTop 70%
Wisconsin: #23,997 of 40,088 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Ewald E. Listau has been granted 1 US patent while listed as an inventor at Orcon. All of these patents were granted in 1994. Ewald E. Listau ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Ewald E. Listau in Randolph, WI, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5288057 Adapter and method for power stretching carpets — 1994-02-22

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Amir EISEN1