Granted Patent
Utility
US 6,085,867 · App. 09/322,518
Modular platform system
Inventors:
James P. Daniel, III, Robert A. Cooksey
Patented Case
View Patent ↗
Granted: Jul 11, 2000
Filed: May 28, 1999
Inventors
James P. Daniel, III
Robert A. Cooksey
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.