Granted Patent
Utility
US 6,463,738 · App. 09/861,962
Method and apparatus for providing a continuous supply of electric power
Inventors:
Joseph F. Pinkerton, David B. Clifton, Kenneth E. Nichols, Michael D. Forsha, James E. Dillard, III, William D. Batton
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: May 21, 2001
Inventors
Joseph F. Pinkerton
David B. Clifton
Kenneth E. Nichols
Michael D. Forsha
James E. Dillard, III
William D. Batton
Assignee (at issue)
Active 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.