RR

Roy H. Rengstorff

📍 Aberdeen Proving Ground, MD: #2 of 8 inventorsTop 25%
🗺 Maryland: #19,431 of 35,612 inventorsTop 55%
Overall (All Time): #4,053,961 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4391498 Spectacle frame — 1983-07-05