Granted Patent
Utility
US 6,525,914 · App. 09/476,562
Protection system for devices connected to an alternating current electrical power supply
Inventor:
Raymond H. Legatti
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Jan 3, 2000
Inventor
Raymond H. Legatti
Assignee (at issue)
Technology Research, 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.