JW

Jonathan D. Wirtschafter

📍 Minneapolis, MN: #1,588 of 6,114 inventorsTop 30%
🗺 Minnesota: #15,886 of 52,454 inventorsTop 35%
Overall (All Time): #1,296,688 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5233571 Medication timer 1993-08-03
4588303 Medical timer apparatus Richard Walton 1986-05-13
4448541 Medical timer apparatus 1984-05-15
4361408 Timer and alarm apparatus 1982-11-30