Virgil A. Marple

UM University of Minnesota: 1 patents #3 of 10Top 30%

📍 Maple Plain, MN: #2 of 2 inventorsTop 100%

🗺 Minnesota: #156 of 1,035 inventorsTop 20%

Overall (1982): #25,796 of 81,411Top 35%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4321822	Impactor apparatus	Benjamin Y. H. Liu	1982-03-30