Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677108 | On-press removable quenching overcoat for lithographic plates | Joseph Hanlon, John M. Hardin, Rong-Chang Liang, Yi-Hua Tsao, Tung-Feng Yeh | 1997-10-14 |
| 5677110 | On-press development of an overcoated lithographic plate | Joseph Hanlon, John M. Hardin, Eugene L. Langlais, Rong-Chang Liang, Yi-Hua Tsao +1 more | 1997-10-14 |