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

E. I. Spectra

Rank (All Time): #26,147 of 106,127Top 25%
4 inventors
23 Patents All Time

Top Inventors at E. I. Spectra All Time

Showing 1–4 of 4 inventors

RankNamePatents
1 Harold E. Ayliffe 23
2 Curtis S. King 5
3 Curts S. King 1
3 Michael E. McGinnis 1