DH

David P. Hoppman

Overall (All Time): #2,263,649 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5799615 Roll-up crowd gate Chris Hoppman, Eric Klein, Kevin L. Daleiden 1998-09-01
5392731 Walk-though flat barn parlor Kelvin L. Daleiden 1995-02-28