Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Philip D. Mattson

San Diego, CA: #8,341 of 23,606 inventorsTop 40%
California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,298,334 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5127915 Surgical instrument for severing and clamping an umbilical cord 1992-07-07
4994039 Apparatus and method for patients from a single donor or a restricted group of donors 1991-02-19
4785796 Otoscope and flexible, disposable curette for use therewith 1988-11-22
4648401 Surgical instrument for severing an umbilical cord 1987-03-10