Granted Patent
Utility
US 6,239,997 · App. 09/653,478
System for connecting and synchronizing a supplemental power source to a power grid
Inventor:
Doug D. Deng
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Sep 1, 2000
Inventor
Doug D. Deng
Assignee (at issue)
Ford Motor Company
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.