Ralf Walker

City:

Duisburg

Country:

Germany

Published Applications:

Last publication date:

2005-06-16

Top Assignees for applications by Ralf Walker

The entities that hold a legal rights for patent applications filed by inventor Walker Ralf:

Ralf Walker from Duisburg, DE has applied for patents for these inventions. The list has both pending applications and granted patents:

Roadheading or mining machine with roof bolt drilling and setting devices

InventorID:

4861317 ⎘