Granted Patent
Utility
US 4,742,683 · App. 06/897,331
Turbocompound engine
Inventors:
William W. Heminghous, J. Albert McEachern, Jr.
Patented Case
View Patent ↗
Granted: May 10, 1988
Filed: Aug 18, 1986
Inventors
William W. Heminghous
J. Albert McEachern, Jr.
Assignee (at issue)
Teledyne Industries, 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.