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Robert R. Barnes — 4 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Denver, CO: #1,009 of 4,554 inventorsTop 25%
Colorado: #10,815 of 40,980 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Robert R. Barnes has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 1980 and the most recent in January 2001. Robert R. Barnes ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Robert R. Barnes in Denver, CO, US.

Patents per Year

Patents granted per year, 1980 to 2001Bar chart with a peak of 1 patents in 1980.peak 11980: 1 patents19801982: 1 patents19821990: 1 patents19902001: 1 patents2001

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D436147 Rope figure toy — 2001-01-09
4972625 Tackle holder — 1990-11-27
4348652 Driver alert system Charles L. Myers 1982-09-07
4208825 Non-fouling container for lures with fish hooks — 1980-06-24

Frequent Collaborators

Charles L. Myers1 shared

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