DH

Dana L. Hubbard

📍 San Rafael, CA: #408 of 869 inventorsTop 50%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,363,270 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4397213 Harmonica holder and shroud 1983-08-09
4212219 Harmonica stand 1980-07-15