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

Sprague Devices

Rank (All Time): #47,048 of 106,127Top 45%
11 inventors
12 Patents All Time

Top Inventors at Sprague Devices All Time

Showing 1–11 of 11 inventors

RankNamePatents
1 Richard J. Frigon 5
2 Alan K. Forsythe 4
3 Steven J. Stronczek 3
#4 Charles J. Green 2
#4 Allan E. McIntyre 2
#6 Dennis L. Berndt 1
#6 Eric A. Armstrong 1
#6 John L. Clem 1
#6 Kevin Hultquist 1
#6 Philip Linden 1
#6 Robert F. Jaske 1