Granted Patent
Utility
US 5,043,736 · App. 07/558,651
Cellular position locating system
Inventors:
Ralph D. Darnell, Claude C. Douglas
Patented Case
View Patent ↗
Granted: Aug 27, 1991
Filed: Jul 27, 1990
Inventors
Ralph D. Darnell
Claude C. Douglas
Assignee (at issue)
CAE-Link Corporation
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.