EB

E. Bertram Berkley

TE Tension Envelope: 1 patents #5 of 9Top 60%
📍 Kansas City, MO: #987 of 1,876 inventorsTop 55%
🗺 Missouri: #13,067 of 23,789 inventorsTop 55%
Overall (All Time): #4,030,916 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4436202 Reusable envelope — 1984-03-13