DH

David G. Hopper

UN Unknown: 1 patents #29,356 of 83,584Top 40%
🗺 Illinois: #21,447 of 84,256 inventorsTop 30%
Overall (All Time): #1,215,809 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10517404 Ergonomic body supporting chair Brian Vence, John Stanevicius 2019-12-31
9213773 Image based method of providing memorial information Scott Neal 2015-12-15
8909670 Image based method of providing memorial information Scott Neal 2014-12-09
5255455 Adjustable frame for scrolling and stretching needlepoint fabrics 1993-10-26