HJ

Howard J. Hanson, Jr.

📍 Lacombe, CA: #15 of 40 inventorsTop 40%
Overall (All Time): #3,820,368 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5197743 Golfing dart game apparatus — 1993-03-30