Fred W. Roberts

📍 Williston, ND: #29 of 64 inventorsTop 50%

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

Overall (All Time): #3,944,802 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4718188	Ice removal device	—	1988-01-12