AB

Alfred Anthony Black

📍 Framingham, MA: #9 of 39 inventorsTop 25%
🗺 Massachusetts: #329 of 1,827 inventorsTop 20%
Overall (1982): #77,343 of 81,411Top 100%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4321894 Poppet valve spring retainer with integral mechanical adjustable tappet — 1982-03-30