Granted Patent
Utility
US 5,569,556 · App. 08/368,269
Battery charge indicator
Inventor:
William Bohmer
Patented Case
View Patent ↗
Granted: Oct 29, 1996
Filed: Dec 30, 1994
Inventor
William Bohmer
Assignee (at issue)
Display Matrix 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.