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Rolf E. Wilhelms

Overall (All Time): #2,291,759 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5282092 Video and/or audio signal receiving and recording arrangement — 1994-01-25
5131671 Man's bicycle with integrated air pump — 1992-07-21