Granted Patent
Utility
US 4,386,048 · App. 06/209,572
Variable overlap control
Inventors:
Joseph Humphries, Richard W. Knapp
Patented Case
View Patent ↗
Granted: May 31, 1983
Filed: Nov 24, 1980
Inventors
Joseph Humphries
Richard W. Knapp
Assignee (at issue)
Combustion Engineering, Inc.
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.