Granted Patent
Utility
US 6,654,261 · App. 10/052,802
Inverter DC link volts “tooth” modulation scheme
Inventors:
Richard Shaun Welches, Richard Griessel, Peter Beckedahl, Karl Bond
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Oct 29, 2001
Inventors
Richard Shaun Welches
Richard Griessel
Peter Beckedahl
Karl Bond
Assignee (at issue)
Youtility, 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.