IP Library Granted Patent US 5,503,245
Granted Patent Utility
US 5,503,245 · App. 08/307,518

Step ladder

Inventor: Mehran Etesam
Patented Case View Patent ↗
Granted: Apr 2, 1996 Filed: Sep 16, 1994
Inventor
Mehran Etesam
Assignee (at issue)
Keller 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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,503,245
App. No.
08/307,518
Filed
1994-09-16
Granted
1996-04-02
Kind
A