Granted Patent
Utility
US 6,004,728 · App. 09/163,367
Method for making positive working printing plates from a heat mode sensitive image element
Inventors:
Geert Deroover, Joan Vermeersch, Marc Van Damme
Patented Case
View Patent ↗
Granted: Dec 21, 1999
Filed: Sep 30, 1998
Inventors
Geert Deroover
Joan Vermeersch
Marc Van Damme
Assignee (at issue)
Agfa-Gevaert NV
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.