Granted Patent
Utility
US 5,977,746 · App. 09/120,093
Rechargeable battery pack and method for manufacturing same
Inventors:
David Hershberger, John M. Izenbaard
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Jul 21, 1998
Inventors
David Hershberger
John M. Izenbaard
Assignee (at issue)
STRYKER 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.