Granted Patent
Utility
US 4,940,947 · App. 07/316,798
Line noise signal measurement system using analog signal compression with digital linearity correction
Inventors:
Andrew McCartney, Thomas McCartney
Patented Case
View Patent ↗
Granted: Jul 10, 1990
Filed: Feb 28, 1989
Inventors
Andrew McCartney
Thomas McCartney
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.