RB

Ronald L. Black

📍 Williston, ND: #1 of 4 inventorsTop 25%
🗺 North Dakota: #15 of 100 inventorsTop 15%
Overall (1997): #87,206 of 185,788Top 50%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5664739 Rotatable handle for disposal spool Wesley F. Black, Robert J. Black 1997-09-09