HG

H. Doug Gillespie

📍 Yuma, AZ: #63 of 138 inventorsTop 50%
🗺 Arizona: #18,403 of 32,909 inventorsTop 60%
Overall (All Time): #3,547,487 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6402433 Tensionable mine roof bolt — 2002-06-11