Charles H. Mayo, II

📍 Stillwater, MN: #9 of 48 inventorsTop 20%

🗺 Minnesota: #407 of 2,022 inventorsTop 25%

Overall (1989): #125,976 of 140,708Top 90%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4861338	Safety syringe	George E. Mathiesen	1989-08-29