David John Duffus

City:

København S

Country:

Denmark

Published Applications:

Last publication date:

2017-11-09

Recent patent applications by Duffus David John

David John Duffus from København S, DK has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2017-11-09

US20170321420A1

Fixed constructions

PRECAST INSULATED LOAD BEARING ROOF ELEMENT AND METHODS OF MANUFACTURING A ROOF ELEMENT

InventorID:

2033007 ⎘