Granted Patent
Utility
US 5,400,556 · App. 07/899,354
Modular step system and method for manufacture
Inventor:
James Favaron
Patented Case
View Patent ↗
Granted: Mar 28, 1995
Filed: Jun 16, 1992
Inventor
James Favaron
Assignee (at issue)
PACIFIC INDUSTRIAL CO., 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.