Douglas A. Warren

City:

Calgary, Alberta

Country:

Canada

Published Applications:

Last publication date:

2007-05-24

Recent patent applications by Warren Douglas A.

Douglas A. Warren from Calgary, Alberta, CA has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2007-05-24

US20070113498A1

Fixed constructions

Arched door frame

InventorID:

6159125 ⎘