Granted Patent
Utility
US 4,870,629 · App. 07/303,796
Method for electronic calibration of a voltage-to-time converter
Inventors:
Ronald L. Swerlein, David A. Czenkusch
Patented Case
View Patent ↗
Granted: Sep 26, 1989
Filed: Jan 30, 1987
Inventors
Ronald L. Swerlein
David A. Czenkusch
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.