Granted Patent
Utility
US 5,975,780 · App. 09/175,779
Keyboard cover
Inventor:
Hideo Fukami
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Oct 20, 1998
Inventor
Hideo Fukami
Assignee (at issue)
NEC 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.