Granted Patent
Utility
US 5,014,213 · App. 07/183,826
System for use with polyphase utility meters for recording time of energy use
Inventors:
Cree A. Edwards, Larsh M. Johnson
Patented Case
View Patent ↗
Granted: May 7, 1991
Filed: Apr 20, 1988
Inventors
Cree A. Edwards
Larsh M. Johnson
Assignee (at issue)
Domestic Automation Company, 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.