There are patents regarding ultrasonic cleaning of panels[1]. Not sure about actual products yet. [1]: http://www.google.com/patents/US20120285516 http://www.g

There are patents regarding ultrasonic cleaning of panels[1]. Not sure about actual products yet. [1]: http://www.google.com/patents/US20120285516 http://www.google.com/patents/US20120285516