RS

Royce A. Spencer

📍 Gloucester Courthouse, VA: #22 of 44 inventorsTop 50%
🗺 Virginia: #18,729 of 34,511 inventorsTop 55%
Overall (All Time): #3,510,758 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D474284 Depth limiting footing for a hollow frame ladder Robert T. Carter 2003-05-06