Granted Patent
Utility
US 6,434,158 · App. 09/432,941
Entryway system using proximity-based short-range wireless links
Inventors:
Jeffrey M. Harris, Ernest Earl Woodard, William B. Austin, George William Muncaster
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Nov 3, 1999
Inventors
Jeffrey M. Harris
Ernest Earl Woodard
William B. Austin
George William Muncaster
Assignee (at issue)
Motorola, 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.