Granted Patent
Utility
US 6,539,255 · App. 09/354,300
Full-tilt exponential defibrillation waveform
Inventors:
James E. Brewer, Patrick Tchou
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Jul 16, 1999
Inventors
James E. Brewer
Patrick Tchou
Assignee (at issue)
Cardiac Science Corporation
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.