EJ

Eugene H. Spender, Jr.

HP HP: 1 patents #3,612 of 7,018Top 55%
📍 North Billerica, MA: #54 of 91 inventorsTop 60%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,902,774 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4925214 Count down system for recording charts Donald R. Hazelton, Paul J. Latka, Joseph Lyons 1990-05-15