Granted Patent
Utility
US 6,653,817 · App. 09/891,878
State-of-charge detection device for a battery
Inventors:
Edward D. Tate, Jr., Mark W. Verbrugge, Shawn D. Sarbacker
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Jun 26, 2001
Inventors
Edward D. Tate, Jr.
Mark W. Verbrugge
Shawn D. Sarbacker
Assignee (at issue)
General Motors LLC
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.