Helmut John

City:

Hanau

Country:

Germany

Published Applications:

Last publication date:

2005-06-02

Top Assignees for applications by Helmut John

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

Helmut John from Hanau, DE has applied for patents for these inventions. The list has both pending applications and granted patents:

Sputtering cathode and device and method for coating a substrate with several layers

InventorID:

4851306 ⎘