Granted Patent
Utility
US 5,354,633 · App. 08/125,321
Laser imageable photomask constructions
Inventors:
Thomas E. Lewis, Michael T. Nowak
Patented Case
View Patent ↗
Granted: Oct 11, 1994
Filed: Sep 22, 1993
Inventors
Thomas E. Lewis
Michael T. Nowak
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.