Ashland, Massachusetts
United States
9
2026-01-15
The entities that hold a legal rights for patent applications filed by inventor Ring Martin D.:
Martin D. Ring from Ashland, US has applied for patents for these inventions. The list has both pending applications and granted patents:
System and Method for Leak Correction and Normalization of In-Ear Pressure Measurement for Hemodynamic Monitoring
#2 | 2024-10-17Earbud for Detecting Biosignals from and Presenting Audio Signals at an Inner Ear Canal and Method Therefor
#3 | 2024-08-29Vibroacoustic earbud
#4 | 2022-12-22Vibroacoustic earbud
#5 | 2022-06-02Earbud for detecting biosignals from and presenting audio signals at an inner ear canal and method therefor
#6 | 2021-12-30System and Method for Leak Correction and Normalization of In-Ear Pressure Measurement for Hemodynamic Monitoring
#7 | 2021-02-18Earbud for detecting biosignals from and presenting audio signals at an inner ear canal and method therefor
#8 | 2018-09-20Earbud frame for acoustic driver and complimentary ear tip
#9 | 2012-03-29Single Microphone for Noise Rejection and Noise Measurement
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