DS

David M. Spruce

📍 Lakewood, CO: #575 of 1,100 inventorsTop 55%
🗺 Colorado: #24,093 of 40,980 inventorsTop 60%
Overall (All Time): #3,379,900 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7186994 Container for transport of hazardous materials — 2007-03-06