Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David L. Frericks — 1 Patent

LELenco: 1 patents #4 of 7Top 60%
Jackson, MO: #14 of 33 inventorsTop 45%
Missouri: #13,158 of 23,789 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
David L. Frericks has been granted 1 US patent while listed as an inventor at Lenco. All of these patents were granted in 1990. David L. Frericks ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list David L. Frericks in Jackson, MO, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4931018 Device for training welders Donald Herbst, Richard Fay, Bruce A. Blair 1990-06-05