Granted Patent
Utility
US 6,050,430 · App. 09/182,464
Automatic leveling and synchronization system for counterweight removal and installation
Inventors:
Jon E. Fleagle, David J. Young
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Oct 30, 1998
Inventors
Jon E. Fleagle
David J. Young
Assignee (at issue)
GROVE U.S. L.L.C.
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.