Granted Patent
Utility
US 5,077,513 · App. 07/605,785
Portable battery power source
Inventors:
William S. Dea, Michael A. Goetzke
Patented Case
View Patent ↗
Granted: Dec 31, 1991
Filed: Oct 30, 1990
Inventors
William S. Dea
Michael A. Goetzke
Assignee (at issue)
Scepter Manufacturing, LLC.
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.