Granted Patent
Utility
US 4,889,790 · App. 07/160,895
Method of forming a conformable mask on a printed circuit board
Inventors:
Leo Roos, Fredrick J. Axon, James J. Briguglio
Patented Case
View Patent ↗
Granted: Dec 26, 1989
Filed: Feb 26, 1988
Inventors
Leo Roos
Fredrick J. Axon
James J. Briguglio
Assignee (at issue)
Morton Thiokol
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.