Granted Patent
Utility
US 4,823,019 · App. 07/222,219
Stand-by power system
Inventors:
Lennart Gronskog, Timothy P. McGrath
Patented Case
View Patent ↗
Granted: Apr 18, 1989
Filed: Jul 21, 1988
Inventors
Lennart Gronskog
Timothy P. McGrath
Assignee (at issue)
Computer Accessories 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.