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

Spectratech — 19 Patents

Rank (All Time): #31,281 of 106,120Top 30%
12 inventors
19 Patents All Time

Top Inventors at Spectratech All Time

Showing 1–12 of 12 inventors

RankNamePatents
1 Donald W. Sting 10
2 Robert G. Messerschmidt 8
3 John Reffner 4
#4 Mitsuo Ohashi 3
#5 Carmelo J. Aresco 1
#5 David Shafer 1
#5 George D. Jones 1
#5 Roger G. Messerschmidt 1
#5 Steven H. Vogel 1
#5 William Desousa 1
#5 Yoshitoshi Ito 1
#5 William T. Wihlborg 1