DS

Douglas R. Shaffer

📍 Peyton, CO: #2 of 5 inventorsTop 40%
🗺 Colorado: #798 of 3,015 inventorsTop 30%
Overall (2003): #233,927 of 273,478Top 90%
1
Patents 2003

Issued Patents 2003

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