David P. Johnson

📍 Brooklyn Park, MN: #8 of 27 inventorsTop 30%

🗺 Minnesota: #813 of 3,156 inventorsTop 30%

Overall (1997): #163,086 of 185,788Top 90%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5609640	Patella prostheses	—	1997-03-11