Granted Patent
Utility
US 4,439,764 · App. 06/252,688
Dual mode meter reading apparatus
Inventors:
Theodore H. York, Roger D. Moates
Patented Case
View Patent ↗
Granted: Mar 27, 1984
Filed: Apr 9, 1981
Inventors
Theodore H. York
Roger D. Moates
Assignee (at issue)
Westinghouse Electric Company 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.