Michael V. Downing

📍 Covington, KY: #2 of 5 inventorsTop 40%

🗺 Kentucky: #54 of 406 inventorsTop 15%

Overall (1989): #77,132 of 140,708Top 55%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4821715	Nasopharyngeal airway	—	1989-04-18