DS

Douglas R. Shaffer

📍 Peyton, CO: #30 of 61 inventorsTop 50%
🗺 Colorado: #24,093 of 40,980 inventorsTop 60%
Overall (All Time): #3,506,353 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6538202 Apparatus and method for covering electrical outlet boxes prior to sheetrocking Randy Humphrey 2003-03-25