Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Mark Spoelhoff — 1 Patent

STSteelcase: 1 patents #504 of 809Top 65%
Grand Rapids, MI: #1,022 of 1,824 inventorsTop 60%
Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #4,128,637 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D854839 Furniture setting Yuka Hiyoshi, William Bennie, Rolf Pascal Hien, Irfan Kachwalla, James N. Ludwig +4 more 2019-07-30