David J. Martens

City:

Abbotsford

Country:

Canada

Published Applications:

Last publication date:

2010-03-25

Recent patent applications by Martens David J.

David J. Martens from Abbotsford, CA has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2010-03-25

US20100075771A1

Human necessities

Adjustable putting green for golf practice

InventorID:

3769669 ⎘