BG

by Sara C. Grant

📍 Alton, IL: #37 of 84 inventorsTop 45%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,901,005 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4918785 Mechanical knot for ropes Ralphael F. Spinner, deceased, Clement F. Marley, by Mary Brown 1990-04-24