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Francis Rustin — 5 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Springfield, MO: #69 of 510 inventorsTop 15%
Missouri: #4,311 of 23,789 inventorsTop 20%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Francis Rustin has been granted 5 US patents while listed as an inventor at Unknown. The first was granted in 1981 and the most recent in December 1988. Francis Rustin ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Francis Rustin in Springfield, MO, US.

Patents per Year

Patents granted per year, 1981 to 1988Bar chart with a peak of 2 patents in 1988.peak 21981: 1 patents19811982: 1 patents19821983: 1 patents19831988: 2 patents1988

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4790264 Animal waterers for snap-on assembly with water pipe Frank Lack 1988-12-13
4753196 Animal watering apparatus and method Frank Lack 1988-06-28
4402343 Animal watering valve with protected biasing spring Earl C. Thompson, Morris C. Keller 1983-09-06
4341182 Animal watering apparatus Morris C. Keller 1982-07-27
4267800 Suspended watering system for poultry house Morris C. Keller 1981-05-19

Frequent Collaborators

Morris C. Keller3 shared
Frank Lack2 shared
Earl C. Thompson1 shared

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