IP Library › Granted Patent US 5,562,876
Granted Patent Utility
US 5,562,876 · App. 08/438,585

Method of maintaining a low residue open-cell felted foam

Inventors: Bradley Beach, Donald L. Elbert, Terence E. Franey, Sean D. Smith
Patented Case View Patent ↗
Granted: Oct 8, 1996 Filed: May 10, 1995
Inventors
Bradley Beach
Donald L. Elbert
Terence E. Franey
Sean D. Smith
Assignee (at issue)
Lexmark International, 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 5,562,876
App. No.
08/438,585
Filed
1995-05-10
Granted
1996-10-08
Kind
A