Granted Patent
Utility
US 6,647,721 · App. 10/039,399
Hydraulic system for suppressing oscillation in heavy equipment
Inventors:
Dennis Heyne, Richard J. Lech, Eric Sharkness, David W. Swaim, Guy T. Stoever, Ian MacLeod
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Nov 7, 2001
Inventors
Dennis Heyne
Richard J. Lech
Eric Sharkness
David W. Swaim
Guy T. Stoever
Ian MacLeod
Assignee (at issue)
Case GmbH
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.