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Inventor profile of:

Douglas A. Warren

City:

Calgary

Country:

Canada

Published Applications:

1

Last publication date:

2007-05-24

Recent patent applications by Warren Douglas A.

Douglas A. Warren from Calgary, 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:

4415349 ⎘