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

Richard C. M. Learner

Overall (All Time): #2,339,229 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4779983 Beam splitter and spectrometer containing the beam splitter Anne P. Thorne 1988-10-25
4293225 Underwater fluorometer measuring system John E. G. Wheaton, David Griffiths 1981-10-06