Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
PU

Purafil — 1 Patent in 2021

Rank (2021): #22,820 of 31,506Top 75%
1 inventors
1 Patents 2021

Top Inventors at Purafil 2021

Showing 1–1 of 1 inventors

RankNamePatents
1 William G. England 1