Astrid Drewsen

City:

Göteborg

Country:

Sweden

Published Applications:

Last publication date:

2007-02-13

Top Assignees for applications by Astrid Drewsen

The entities that hold a legal rights for patent applications filed by inventor Drewsen Astrid:

Astrid Drewsen from Göteborg, SE has applied for patents for these inventions. The list has both pending applications and granted patents:

Regeneration of a filter by the use of a tone generator

InventorID:

7329856 ⎘