Granted Patent
Utility
US 4,847,446 · App. 07/203,603
Printed circuit boards and method for manufacturing printed circuit boards
Inventors:
David King, Mark S. Lee, Richard W. Decker
Patented Case
View Patent ↗
Granted: Jul 11, 1989
Filed: Jun 2, 1988
Inventors
David King
Mark S. Lee
Richard W. Decker
Assignee (at issue)
Westinghouse Electric Company 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.