Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Mason Daryl Lev — 2 Patents

Disney: 2 patents #2,657 of 6,686Top 40%
Signal Hill, CA: #35 of 83 inventorsTop 45%
California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #1,979,191 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10506315 Accoustically and visually optimized projection screen Steven M. Chapman, Bryan Lee Jolley, Jeffrey A. Davis, Thomas F. LaDuke 2019-12-10
9625732 Reflective surface tensioning system for Pepper's ghost illusion Thomas F. LaDuke, Mark A. Reichow 2017-04-18