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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Daniel C. Marcktell — 1 Patent

LELearonal: 1 patents #20 of 34Top 60%
Great Neck, NY: #924 of 1,852 inventorsTop 50%
New York: #67,828 of 115,490 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Daniel C. Marcktell has been granted 1 US patent while listed as an inventor at Learonal. All of these patents were granted in 2001. Daniel C. Marcktell ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Daniel C. Marcktell in Great Neck, NY, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6210556 Electrolyte and tin-silver electroplating process Michael P. Toben, Neil D. Brown, Colleen A. Doyle 2001-04-03