Granted Patent
Utility
US 5,736,271 · App. 08/672,740
Battery pack for portable electronic device
Inventors:
James M. Cisar, Lee E. Leppo
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Jun 28, 1996
Inventors
James M. Cisar
Lee E. Leppo
Assignee (at issue)
TELXON 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.