Granted Patent
Utility
US 6,195,018 · App. 08/597,724
Metering system
Inventors:
Steven J. Ragle, Robert A. Hayes, Christopher Slaboszewicz King, Larsh M. Johnson
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: Feb 7, 1996
Inventors
Steven J. Ragle
Robert A. Hayes
Christopher Slaboszewicz King
Larsh M. Johnson
Assignee (at issue)
Cellnet Data Systems, 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.