Granted Patent
Utility
US 6,814,522 · App. 10/612,217
Pivot assembly
Inventor:
James P. Daniel, III
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Jul 2, 2003
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.