Granted Patent
Utility
US 6,331,850 · App. 09/190,947
Collapsible keyboard
Inventors:
Robert Olodort, John Tang
Patented Case
View Patent ↗
Granted: Dec 18, 2001
Filed: Nov 12, 1998
Inventors
Robert Olodort
John Tang
Assignee (at issue)
Think Outside, Inc.
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.