Duwayne SPRINGER

City:

Lloydminster

Country:

Canada

Published Applications:

Last publication date:

2016-11-10

Top Assignees for applications by Duwayne SPRINGER

The entities that hold a legal rights for patent applications filed by inventor SPRINGER Duwayne:

LONGHORN CASING TOOLS INC. 1 Calgary, Canada

Recent patent applications by SPRINGER Duwayne

Duwayne SPRINGER from Lloydminster, CA has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2016-11-10

US20160326821A1

Fixed constructions

Reciprocating wellbore obstruction-clearing tool and bailer

InventorID:

1705247 ⎘