Granted Patent
Utility
US 4,940,979 · App. 07/186,430
Combined rate/width modulation arrangement
Inventors:
Thomas K. Bohley, Grosvenor H. Garnett, Christopher Koerner, Charles E. Moore
Patented Case
View Patent ↗
Granted: Jul 10, 1990
Filed: Apr 26, 1988
Inventors
Thomas K. Bohley
Grosvenor H. Garnett
Christopher Koerner
Charles E. Moore
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.