Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert Schaefer — 1 Patent in 2018

TBThe Braun: 1 patents #14 of 66Top 25%
Danvers, MA: #16 of 37 inventorsTop 45%
Massachusetts: #4,566 of 12,682 inventorsTop 40%
Overall (2018): #257,386 of 503,207Top 55%
1 Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10035273 Electric appliance for personal care Martin Ring, Bernhard Kraus 2018-07-31