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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Charles Alsip — 1 Patent

IBIboco: 1 patents #3 of 13Top 25%
Benson, MN: #17 of 29 inventorsTop 60%
Minnesota: #32,682 of 52,454 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Charles Alsip has been granted 1 US patent while listed as an inventor at Iboco. All of these patents were granted in 1999. Charles Alsip ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Charles Alsip in Benson, MN, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5931393 Salt-sand spreader with liquid injector John P. Ellingson, Harvey E. Hoffman, Jack D. Messner, David G. Trooien 1999-08-03