Granted Patent
Utility
US 6,512,347 · App. 09/978,901
Battery having an integral cooling system
Inventors:
John V. Hellmann, Jianmin Zhu
Patented Case
View Patent ↗
Granted: Jan 28, 2003
Filed: Oct 18, 2001
Inventors
John V. Hellmann
Jianmin Zhu
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.