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

Melvin O. Castillo

Wijkermeerstraat, TX: #1 of 4 inventorsTop 25%
Texas: #6,158 of 17,606 inventorsTop 35%
Overall (2019): #348,779 of 560,194Top 65%
1 Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10436335 Valves with multi-directional ball check Richard C. Hughes, James C. Hertenberger 2019-10-08