John Douglas Roberts

City:

Spring, Texas

Country:

United States

Published Applications:

Last publication date:

2005-12-08

Top Assignees for applications by John Douglas Roberts

The entities that hold a legal rights for patent applications filed by inventor Roberts John Douglas:

WEATHERFORD/LAMB, INC. 1 Houston, TX United States

Recent patent applications by Roberts John Douglas

John Douglas Roberts from Spring, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2005-12-08

US20050269106A1

Fixed constructions

Apparatus and methods for operating a tool in a wellbore

InventorID:

6151008 ⎘