William Vincent Sempf

📍 Hastings, MI: #48 of 80 inventorsTop 60%

🗺 Michigan: #49,615 of 86,293 inventorsTop 60%

Overall (All Time): #3,199,704 of 4,157,543Top 80%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
8136269	Backblade-and-snowplow system	—	2012-03-20