Jonathan D. Wirtschafter

📍 Minneapolis, MN: #22 of 128 inventorsTop 20%

🗺 Minnesota: #156 of 1,035 inventorsTop 20%

Overall (1982): #50,853 of 81,411Top 65%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4361408	Timer and alarm apparatus	—	1982-11-30