Granted Patent
Utility
US 6,087,069 · App. 09/293,232
Lithographic imaging and cleaning of printing members having boron ceramic layers
Inventor:
Ernest W. Ellis
Patented Case
View Patent ↗
Granted: Jul 11, 2000
Filed: Apr 16, 1999
Inventor
Ernest W. Ellis
Assignee (at issue)
PRESSTEK, LLC.
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.