Frederik Hempelmann

City:

Essen

Country:

Germany

Published Applications:

Last publication date:

2011-08-11

Top Assignees for applications by Frederik Hempelmann

The entities that hold a legal rights for patent applications filed by inventor Hempelmann Frederik:

Frederik Hempelmann from Essen, DE has applied for patents for these inventions. The list has both pending applications and granted patents:

Method for operating a light-emitting diode arrangement, and circuit arrangement

InventorID:

3558396 ⎘