Paul Michael Challen

City:

Airdrie

Country:

Canada

Published Applications:

Last publication date:

2018-04-26

Recent patent applications by Challen Paul Michael

Paul Michael Challen from Airdrie, CA has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2018-04-26

US20180112794A1

Mechanical engineering

SAFETY VALVE

InventorID:

2171840 ⎘