Granted Patent
Utility
US 5,523,921 · App. 08/370,770
Printed circuit assembly having improved reference plane isolation
Inventor:
Curt N. Van Lydegraf
Patented Case
View Patent ↗
Granted: Jun 4, 1996
Filed: Dec 22, 1994
Inventor
Curt N. Van Lydegraf
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.