Granted Patent
Utility
US 5,594,439 · App. 08/295,451
Diagnosing problems in an electrical system by monitoring changes in nonlinear characteristics
Inventor:
Eric J. Swanson
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: Aug 24, 1994
Inventor
Eric J. Swanson
Assignee (at issue)
Crystal Semiconductor Corp.
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.