Goettingen
Germany
2
2008-08-21
The entities that hold a legal rights for patent applications filed by inventor Breitbach Harald:
Harald Breitbach from Goettingen, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Active Countersound System with Special Arrangement of the Secondary Actuators for Reducing the Passage of Sound at an Open Boundary Area of Two Volumes; Active Countersound Arrangement; Method for Actively Reducing Sound
#2 | 2006-03-30Device and method for reducing sound of a noise source in narrow frequency ranges
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