hearing aid patents march 2021

US Ear Device Patents for March 2021

A Better Mouse Trap, Revisited   Included in this month’s list is patent #10950211, by Kah. Entitled External ear insert for hearing comprehension enhancement, it appears to be a Helmhotz-type resonating device placed somewhere in the ear to shift natural pinna and canal resonances. Compare this to Goode’s patent #4556122, Ear acoustical hearing aid, which…

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hearing aid retail prices

US Hearing Aid Pricing: Part 4 – Inflation-Adjusted Retail-Side Trends

In our series on hearing aid pricing, readers have been provided with data on average nominal (Part 1) and inflation-adjusted (Part 2) wholesale hearing aid price, and, more recently, with average nominal retail hearing aid pricing (Part 3). In the fourth installment of this series, the reader is presented with a comparison between unadjusted and…

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