Granted Patent
Utility
US 5,235,914 · App. 07/837,055
Apparatus and method for imaging lithographic printing plates using spark discharges
Inventors:
Richard A. Williams, Thomas E. Lewis, John F. Kline, John P. Gardiner
Patented Case
View Patent ↗
Granted: Aug 17, 1993
Filed: Feb 18, 1992
Inventors
Richard A. Williams
Thomas E. Lewis
John F. Kline
John P. Gardiner
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.