FH

Francis M. Hargreave

📍 Quogue, NY: #5 of 9 inventorsTop 60%
🗺 New York: #67,335 of 115,490 inventorsTop 60%
Overall (All Time): #3,942,080 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4881742 Volleyball technique trainer — 1989-11-21