Granted Patent
Utility
US 6,636,203 · App. 09/861,040
Keyboard equivalent pad overlay encasement for a handheld electronic device
Inventors:
Yoon Kean Wong, Cheri Nola Leonard, Kenneth James Albanowski
Patented Case
View Patent ↗
Granted: Oct 21, 2003
Filed: May 17, 2001
Inventors
Yoon Kean Wong
Cheri Nola Leonard
Kenneth James Albanowski
Assignee (at issue)
PALM FIRM 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.