JB

John C. Butman

I- I-Tek: 1 patents #1 of 13Top 8%
📍 Concord, MA: #2 of 26 inventorsTop 8%
🗺 Massachusetts: #329 of 1,827 inventorsTop 20%
Overall (1982): #81,146 of 81,411Top 100%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D263964 Apparatus for selecting eyeglass frames — 1982-04-20