Author: Don Berger
Date: 2009-10-11 14:01
My abunmdant curiousity caused me to make a Google Patent search for Eigen musical instrument, which retrieved 6 patents which may require reading to determine whether these "diffusers" are what we are looking for. In 7,261,182 just look at the length of the claims. As mrn said eigen has several meanings in high science, and Eigen was also a person's name in the Ency. Brit. , Manfred as I recall. confusingly interesting, Don
Thanx, Mark, Don
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