LW

Leonard C. Wan

PO Polaroid: 2 patents #9 of 118Top 8%
📍 Sharon, MA: #6 of 55 inventorsTop 15%
🗺 Massachusetts: #422 of 4,501 inventorsTop 10%
Overall (1997): #32,095 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5620827 On-press developable lithographic printing plate precursor Chieh-Min Cheng, Anthony C. Giudice, John M. Hardin, Rong-Chang Liang 1997-04-15
5616449 Lithographic printing plates with dispersed rubber additives Chieh-Min Cheng, Anthony C. Giudice, Rong-Chang Liang, William C. Schwarzel 1997-04-01