Granted Patent
Utility
US 5,826,839 · App. 08/797,923
Keyboard with wrist support
Inventor:
Frank Chen
Patented Case
View Patent ↗
Granted: Oct 27, 1998
Filed: Feb 12, 1997
Inventor
Frank Chen
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.