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Rob C. Arnold — 2 Patents

VKVan Koevering: 2 patents #3 of 11Top 30%
Des Moines, IA: #250 of 657 inventorsTop 40%
Iowa: #6,154 of 15,303 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Rob C. Arnold has been granted 2 US patents while listed as an inventor at Van Koevering. The first was granted in 1999 and the most recent in December 2000. Rob C. Arnold ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Rob C. Arnold in Des Moines, IA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6160213 Electronic music instrument system with musical keyboard Warren W. Westlund, II, David Van Koevering, Robert D. Lawson, Lance Lyda, Kenneth R. Noyce +3 more 2000-12-12
5908997 Electronic music instrument system with musical keyboard Warren W. Westlund, II, David Van Koevering, Robert D. Lawson, Lance Lyda, Kenneth R. Noyce +3 more 1999-06-01

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