Granted Patent
Utility
US 6,243,276 · App. 09/307,192
Power supply system for battery operated devices
Inventor:
Peter Neumann
Patented Case
View Patent ↗
Granted: Jun 5, 2001
Filed: May 7, 1999
Inventor
Peter Neumann
Assignee (at issue)
S-B Power Tool 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.