DH

Doug A. Hamm

📍 Highlands Ranch, CO: #429 of 703 inventorsTop 65%
🗺 Colorado: #24,093 of 40,980 inventorsTop 60%
Overall (All Time): #3,571,249 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6182857 Office supply vending system and apparatus William O. Swift 2001-02-06