Granted Patent
Utility
US 5,477,430 · App. 08/404,387
Fluorescing keypad
Inventor:
Charles W. Larose
Patented Case
View Patent ↗
Granted: Dec 19, 1995
Filed: Mar 14, 1995
Inventor
Charles W. Larose
Assignee (at issue)
DELCO ELECTRONICS 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.