Granted Patent
Utility
US 6,643,156 · App. 10/065,574
Transformerless two-phase inverter
Inventor:
Luis Zubieta
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Oct 31, 2002
Inventor
Luis Zubieta
Assignee (at issue)
Global Thermoelectric Inc.
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.