Elgin, Illinois
United States
6
2016-10-20
The entities that hold a legal rights for patent applications filed by inventor Ryan William A.:
William A. Ryan from Elgin, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Acoustic sound adsorption material having attached sphere matrix
#2 | 2015-08-20Microphone In Speaker Assembly
#3 | 2012-08-16Microphone having multiple transducer elements
#4 | 2011-06-02Acoustic valve mechanisms
#5 | 2010-05-06Acoustic Valve Mechanisms
#6 | 2010-04-15Microphone having multiple transducer elements
1266615 ⎘