Granted Patent
Utility
US 6,491,272 · App. 09/925,855
Step assembly with a removable step for hollow poles and the like
Inventor:
George J. Franks, Jr.
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Aug 9, 2001
Inventor
George J. Franks, Jr.
Assignee (at issue)
Senior Industries, Inc.
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.