Granted Patent
Utility
US 6,169,484 · App. 09/292,366
Personal location system
Inventors:
Leonard Schuchman, Lloyd Engelbrecht
Patented Case
View Patent ↗
Granted: Jan 2, 2001
Filed: Apr 15, 1999
Inventors
Leonard Schuchman
Lloyd Engelbrecht
Assignee (at issue)
ITT MANUFACTURING ENTERPRISES LLC
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.