Granted Patent
Utility
US 4,417,467 · App. 06/363,362
Graphical display of engine cylinder parameters
Inventors:
Raymond J. Higgs, Leslie Palmer
Patented Case
View Patent ↗
Granted: Nov 29, 1983
Filed: Mar 29, 1982
Inventors
Raymond J. Higgs
Leslie Palmer
Assignee (at issue)
UNITED TECHNOLOGIES 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.