Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Thomas C. Erdman — 3 Patents

HMHandy Button Machine: 2 patents #3 of 18Top 20%
Fort Atkinson, WI: #23 of 87 inventorsTop 30%
Wisconsin: #13,370 of 40,088 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Thomas C. Erdman has been granted 3 US patents while listed as an inventor at Handy Button Machine. The first was granted in 2014 and the most recent in December 2024. Thomas C. Erdman ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Thomas C. Erdman in Fort Atkinson, WI, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12161230 Sleeper flip furniture 2024-12-10
D813572 Slip cover for ready-to-assemble sofa 2018-03-27
8713726 Pivoting hinge for no-tool assembly of a convertible sofa Steve E. Connor, Mo J. Lin 2014-05-06