Granted Patent
Utility
US 4,652,877 · App. 06/510,753
Meter data gathering and transmission system
Inventor:
Bruce E. Gray
Patented Case
View Patent ↗
Granted: Mar 24, 1987
Filed: Jul 1, 1983
Inventor
Bruce E. Gray
Assignee (at issue)
Rockwell International 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.