Granted Patent
Utility
US 5,889,388 · App. 08/000,662
Circuitry for dynamically controlling capacitor charge based on battery capacity
Inventors:
David Cameron, Daniel J. Powers, Douglas H. Roberts
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Dec 30, 1997
Inventors
David Cameron
Daniel J. Powers
Douglas H. Roberts
Assignee (at issue)
Heartstream, 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.