Granted Patent
Utility
US 5,268,819 · App. 07/848,647
Circuit board assembly
Inventor:
Pekka Lonka
Patented Case
View Patent ↗
Granted: Dec 7, 1993
Filed: Mar 9, 1992
Inventor
Pekka Lonka
Assignee (at issue)
Nokia Mobile Phones Ltd.
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.