Granted Patent
Utility
US 6,683,389 · App. 09/938,101
Hybrid electric vehicle DC power generation system
Inventor:
Everett R. Geis
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Aug 23, 2001
Inventor
Everett R. Geis
Assignee (at issue)
Capstone Turbine Corporation
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.