Granted Patent
Utility
US 6,787,259 · App. 10/342,579
Secondary power source for use in a back-up power system
Inventors:
Jeffrey A. Colborn, Erol Erturk, Rajagopalan Sundar, Raymond H. Alstadt
Patented Case
View Patent ↗
Granted: Sep 7, 2004
Filed: Jan 15, 2003
Inventors
Jeffrey A. Colborn
Erol Erturk
Rajagopalan Sundar
Raymond H. Alstadt
Assignee (at issue)
Metallic Power, 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.