Granted Patent
Utility
US 6,474,933 · App. 08/914,199
Extended reach vertical lift boom
Inventors:
Lonnie D. Hoechst, Charles H. Krause
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Aug 18, 1997
Inventors
Lonnie D. Hoechst
Charles H. Krause
Assignee (at issue)
CLARK EQUIPMENT COMPANY
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.