Granted Patent
Utility
US 5,847,545 · App. 08/802,721
Dual A/C and D/C input powered portable battery charger
Inventors:
Solomon Chen, Harry Mkhitarian
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: Feb 20, 1997
Inventors
Solomon Chen
Harry Mkhitarian
Assignee (at issue)
Superior Communications Products, 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.