Granted Patent
Utility
US 6,337,558 · App. 09/783,200
Multi-purpose charging device for batteries
Inventors:
Kwok Yin Yuen, Pui Wah Vincent Ip, Andy Wong, Kim Murmann
Patented Case
View Patent ↗
Granted: Jan 8, 2002
Filed: Feb 14, 2001
Inventors
Kwok Yin Yuen
Pui Wah Vincent Ip
Andy Wong
Kim Murmann
Assignee (at issue)
Nokia Mobile Phones Ltd.
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.