Granted Patent
Utility
US 6,232,742 · App. 08/284,160
Dc/ac inverter apparatus for three-phase and single-phase motors
Inventors:
Joel Wacknov, Wally E. Rippel
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: Aug 2, 1994
Inventors
Joel Wacknov
Wally E. Rippel
Assignee (at issue)
AeroVironment, 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.