Granted Patent
Utility
US 6,325,589 · App. 09/539,871
Loader with a controlled vertical path of a working implement
Inventors:
Moo Hwan Jang, Seung Kuh Lee, Nag In Kim
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: Mar 31, 2000
Inventors
Moo Hwan Jang
Seung Kuh Lee
Nag In Kim
Assignee (at issue)
Daewoo Heavy Industries Ltd.
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.