Granted Patent
Utility
US 6,405,831 · App. 09/723,871
Mobile lift unit
Inventor:
James P. Daniel, III
Patented Case
View Patent ↗
Granted: Jun 18, 2002
Filed: Nov 28, 2000
Inventor
James P. Daniel, III
Assignee (at issue)
Aluminum Ladder 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.