Roger L. Block

📍 Jamestown, ND: #61 of 96 inventorsTop 65%

🗺 North Dakota: #1,185 of 2,395 inventorsTop 50%

Overall (All Time): #3,961,819 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D298200	Beverage can holder	Garry Block	1988-10-25