Granted Patent
Utility
US 6,556,841 · App. 09/304,428
Spelling correction for two-way mobile communication devices
Inventor:
Francis H. Yu
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: May 3, 1999
Inventor
Francis H. Yu
Assignee (at issue)
Openwave Systems 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.