Timothy Greenfield

Follow

Person

Dubuque, IA, US

People

Patents Applicationslast 30 patents

Information Patent Application
Aluminum Door Keyed Removable Mullion
- Publication number 20120110913
- Publication date May 10, 2012
- Timothy Greenfield
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS