Granted Patent
Utility
US 5,027,285 · App. 07/316,936
Power line waveform measurement system
Inventors:
Andrew McCartney, Charles M. DeWitt, William S. Elliott
Patented Case
View Patent ↗
Granted: Jun 25, 1991
Filed: Feb 28, 1989
Inventors
Andrew McCartney
Charles M. DeWitt
William S. Elliott
Assignee (at issue)
Oneac 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.