Granted Patent
Utility
US 6,145,992 · App. 09/318,176
Keyboard illuminator and a method for illuminating a keyboard
Inventor:
Willard H. Wattenburg
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: May 25, 1999
Inventor
Willard H. Wattenburg
Assignee (at issue)
Willard H. Wattenburg
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.