HA

Harold L. Appleton

📍 Needham, MA: #548 of 796 inventorsTop 70%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #4,092,159 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4275520 Modular plane surface display structure Douglas R. Kingston 1981-06-30