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Inventor profile of:

Robert W. Duench

City:

St Jacobs

Country:

Canada

Published Applications:

1

Last publication date:

2010-08-05

Recent patent applications by Duench Robert W.

Robert W. Duench from St Jacobs, CA has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2010-08-05

US20100193293A1

Fixed constructions

Under-ground raise, manhole, vault, or man-way safe entry/exit system

InventorID:

3646544 ⎘