Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
QI

Quesant Instrument

Rank (All Time): #102,311 of 106,127Top 100%
2 inventors
5 Patents All Time

Top Inventors at Quesant Instrument All Time

Showing 1–2 of 2 inventors

RankNamePatents
1 David J. Ray 5
2 Robert S. Harp 4