Granted Patent
Utility
US 5,867,378 · App. 08/871,049
AC/DC power converter device
Inventors:
Oscar Garcia Suarez, Jose Antonio Cobos Marquez, Javier Uceda Antolin, Salvador Ollero Velasco, Enrique De La Cruz Moreno
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Jun 9, 1997
Inventors
Oscar Garcia Suarez
Jose Antonio Cobos Marquez
Javier Uceda Antolin
Salvador Ollero Velasco
Enrique De La Cruz Moreno
Assignee (at issue)
Alcatel Alsthom
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.