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

Spectradisc — 5 Patents

Rank (All Time): #101,579 of 106,120Top 100%
12 inventors
5 Patents All Time

Top Inventors at Spectradisc All Time

Showing 1–12 of 12 inventors

RankNamePatents
1 Christopher J. Marmo 3
1 Daniel J. Ehntholt 3
1 Eric J. Carlson 3
1 Irwin C. Winkler 3
1 James R. Valentine 3
1 John R. Powell 3
1 Philip E. Rollhaus 3
#8 Charles M. Zepp 2
#8 Nabil Lawandy 2
#10 Andrei Smuk 1
#10 Kenneth S. Norland 1
#10 Marianne Krieg-Kowald 1