Helmut Sprotofski

📍 Mahopac, NY: #19 of 31 inventorsTop 65%

🗺 New York: #5,008 of 13,137 inventorsTop 40%

Overall (2019): #447,453 of 560,194Top 80%

Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
10443245	Louver drive system	Ronald Kudla	2019-10-15