Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Guill Tool & Engineering Co. — 51 Patents

Rank (All Time): #13,043 of 106,120Top 15%
11 inventors
51 Patents All Time

Top Inventors at Guill Tool & Engineering Co. All Time

Showing 1–11 of 11 inventors

RankNamePatents
1 Richard Guillemette 39
2 Robert Peters 35
3 Christopher Hummel 25
#4 James Prue 5
#5 Arthur Roger Guillemette 4
#5 Glen Guillemette 4
#7 Michael E Langlais 3
#8 Denis Thomas Finn, Jr. 2
#8 Jacob Macure 2
#10 A Roger Guillemette 1
#10 Roger Guillemette 1