FK

Frank T. Knapp

WE Westvaco: 1 patents #184 of 364Top 55%
📍 Chicopee, MA: #60 of 120 inventorsTop 50%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,997,899 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4597591 Envelope with concealed message window Wilfred H. Gendron 1986-07-01