Granted Patent
Utility
US 6,737,966 · App. 09/351,058
Keypad annunciator graphical user interface
Inventor:
Dale E. Calder
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Jul 12, 1999
Inventor
Dale E. Calder
Assignee (at issue)
Fox Boro Company
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.