Granted Patent
Utility
US 4,277,702 · App. 06/106,222
Charge comparator output driver
Inventors:
James M. Hamilton, Arthur Porter
Patented Case
View Patent ↗
Granted: Jul 7, 1981
Filed: Dec 21, 1979
Inventors
James M. Hamilton
Arthur Porter
Assignee (at issue)
Hughes Aircraft Company
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.