{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Square D", "item": "https://www.patentleaderboard.com/company/square-d"}, {"@type": "ListItem", "position": 3, "name": "Robert C. Mason", "item": "https://www.patentleaderboard.com/inventor/fl:ro_ln:mason-24"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RM

Robert C. Mason — 3 Patents

SDSquare D: 2 patents #240 of 756Top 35%
High Springs, FL: #8 of 29 inventorsTop 30%
Florida: #16,773 of 67,251 inventorsTop 25%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Robert C. Mason has been granted 3 US patents while listed as an inventor at Square D. The first was granted in 1981 and the most recent in May 2002. Robert C. Mason ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert C. Mason in High Springs, FL, US.

Patents per Year

Patents granted per year, 1981 to 2002Bar chart with a peak of 1 patents in 1981.peak 11981: 1 patents19812001: 1 patents20012002: 1 patents2002

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6393547 Circuit for time-sharing of configurable I/O pins 2002-05-21
6249753 Sensor signal conditioner with calibration Rodney B. Washington 2001-06-19
4253910 Ornamental mirror and apparatus and method for making same Joseph E. Scerbo 1981-03-03