Granted Patent
Utility
US 6,824,321 · App. 10/247,234
Keypad assembly
Inventors:
Isaac Ward, Kenneth Weselake
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Sep 19, 2002
Inventors
Isaac Ward
Kenneth Weselake
Assignee (at issue)
Siemens Communications, 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.