Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert McCormack — 4 Patents

GRGraphtec: 1 patents #22 of 62Top 40%
Mission Viejo, CA: #475 of 1,522 inventorsTop 35%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Robert McCormack has been granted 4 US patents while listed as an inventor at Graphtec. The first was granted in 1993 and the most recent in September 2001. Robert McCormack ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Robert McCormack in Mission Viejo, CA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6290285 Trailer with top rail assembly having awning mount 2001-09-18
6224125 Trailer top rail assembly with support brace and awning mount 2001-05-01
6224142 Double skin slat construction for trailers 2001-05-01
5216439 Scaling systems for data recorders Alfred Krause 1993-06-01