Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Underground Systems — 1 Patent in 2021

Rank (2021): #19,995 of 31,506Top 65%
4 inventors
1 Patents 2021

Top Inventors at Underground Systems 2021

Showing 1–4 of 4 inventors

RankNamePatents
1 Charles J. Wills 1
1 Duncan Breese 1
1 Paul A. Alex 1
1 Robert F. Smith 1