JH

John R. Hirsh

📍 Solon, OH: #341 of 517 inventorsTop 70%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,860,405 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5151873 Calculator with music generating device — 1992-09-29