Granted Patent
Utility
US 4,992,354 · App. 07/264,472
Dry film photoresist for forming a conformable mask and method of application to a printed circuit board or the like
Inventors:
Frederick J. Axon, James J. Briguglio, Amedeo Candore, Lawson Lightfoot, Clancy P. Crooks, Leo Roos
Patented Case
View Patent ↗
Granted: Feb 12, 1991
Filed: Oct 28, 1988
Inventors
Frederick J. Axon
James J. Briguglio
Amedeo Candore
Lawson Lightfoot
Clancy P. Crooks
Leo Roos
Assignee (at issue)
Morton International, Inc.
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.