Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
JD

John F. Deffner — 5 Patents

VTVisual Targeting: 5 patents #2 of 9Top 25%
Lisle, IL: #130 of 567 inventorsTop 25%
Illinois: #17,877 of 84,256 inventorsTop 25%
Overall (All Time): #1,064,128 of 4,157,543Top 30%
5 Patents All Time

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