JH

John Hesnan

📍 Galway, IE: #240 of 581 inventorsTop 45%
Overall (All Time): #2,271,100 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5639977 Music learning aid 1997-06-17
5524522 Music learning aid 1996-06-11