EL Paso, Texas
United States
7
2026-04-30
The entities that hold a legal rights for patent applications filed by inventor Freudenthal Eric A.:
Eric A. Freudenthal from EL Paso, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Acoustic Technique for Characterizing Propensity for Missing Fundamental Illusion
#2 | 2024-03-21Hearing Aid Device with Intonation Boosting
#3 | 2021-12-02Natural ear
#4 | 2019-08-15Vocal feedback device and method of use
#5 | 2019-08-15Self-adjusting fundamental frequency accentuation subsystem for natural ear device
#6 | 2017-03-16Natural ear
#7 | 2016-10-06Apparatus and method to facilitate singing intended notes
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