Granted Patent
Utility
US 5,677,110 · App. 08/609,057
On-press development of an overcoated lithographic plate
Inventors:
Yee-Ho Chia, Joseph Hanlon, John M. Hardin, Eugene L. Langlais, Rong-Chang Liang, Yi-Hua Tsao, Tung-Feng Yeh
Patented Case
View Patent ↗
Granted: Oct 14, 1997
Filed: Feb 29, 1996
Inventors
Yee-Ho Chia
Joseph Hanlon
John M. Hardin
Eugene L. Langlais
Rong-Chang Liang
Yi-Hua Tsao
Tung-Feng Yeh
Assignee (at issue)
Polaroid Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.