Granted Patent
Utility
US 5,228,439 · App. 07/844,258
System and method for maintaining proper device operation at battery depletion by self-regulating current drain usage
Inventors:
Brian M. Mann, Leslie S. Miller
Patented Case
View Patent ↗
Granted: Jul 20, 1993
Filed: Mar 2, 1992
Inventors
Brian M. Mann
Leslie S. Miller
Assignee (at issue)
Siemens Pacesetter, 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.