IP Library › Granted Patent US 5,492,143
Granted Patent Utility
US 5,492,143 · App. 08/115,960

Filter screen and method of making same

Inventors: Robert J. Cooper, Carl Behrend
Patented Case View Patent ↗
Granted: Feb 20, 1996 Filed: Sep 2, 1993
Inventors
Robert J. Cooper
Carl Behrend
Assignee (at issue)
Eaton Corporation

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 5,492,143
App. No.
08/115,960
Filed
1993-09-02
Granted
1996-02-20
Kind
A