Granted Patent
Utility
US 6,575,647 · App. 09/655,228
Collapsible keyboard
Inventor:
Simon Richard Daniel
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Sep 5, 2000
Inventor
Simon Richard Daniel
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.