Granted Patent
Utility
US 5,319,525 · App. 07/880,176
Circuit assembly
Inventor:
David Lightfoot
Patented Case
View Patent ↗
Granted: Jun 7, 1994
Filed: May 6, 1992
Inventor
David Lightfoot
Assignee (at issue)
Nokia Mobile Phones (UK) Limited
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.