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USPTO Patent Rankings Data through Dec 31, 2025
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John F. Deffner — 5 Patents

VTVisual Targeting: 5 patents #2 of 9Top 25%
Lisle, IL: #131 of 567 inventorsTop 25%
Illinois: #18,025 of 84,256 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
John F. Deffner has been granted 5 US patents while listed as an inventor at Visual Targeting. The first was granted in 1986 and the most recent in November 1988. John F. Deffner ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list John F. Deffner in Lisle, IL, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4785943 Expandable storage and dispensing system Jack H. Michaelis 1988-11-22
4688684 Vertical display system Raymond R. Young, Russell M. Barnes 1987-08-25
4685574 Shelf-supported expandable gravity feed system Raymond R. Young, Russell M. Barnes 1987-08-11
4615443 Beverage bottle package display system Raymond R. Young, Russell M. Barnes 1986-10-07
4598828 Storage and dispensing rack Raymond R. Young 1986-07-08