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Gerhard M Sessler - WN.com
wn.com
While it has been refined over the years, the basic technology is virtually identical to what West and Gerhard Sessler invented at Bell Labs in the early 1960s .
Eight Inductees to the NAMM TECnology Hall of Fame Announced |...
www.namm.org
For example, the patent for the electret microphone by Bell Labs' Gerhard Sessler/James West not only paved the way for affordable studio ...
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