RD

Ray M. Dorr

📍 Riverdale, ND: #2 of 2 inventorsTop 100%
🗺 North Dakota: #1,185 of 2,395 inventorsTop 50%
Overall (All Time): #3,872,167 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5000378 Intrusion-secure mail box Gordon J. Michaels 1991-03-19