John T. Leffler

📍 Bloomington, MN: #730 of 1,157 inventorsTop 65%

🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%

Overall (All Time): #3,914,034 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4966166	Prophylactic device and method	—	1990-10-30