Blue-gear, Inc.

Margaret V Nilson

Randall Wayne Roberts

Lawrence T Hagen

Johan D Carlson

D Johan Carlson

An earpiece designed to fit a substantial majority (over 90%) of people without customization to the outer ears, i.e., without the need to make customized measurements or a mold of the actual ear of an individual.

Universal earpiece

An earpiece designed to fit a substantial majority (over 90%) of people without customization to the outer ears, i.e., without the need to make customized measurements or a mold of the actual ear of an individual. The device is generally C-shaped and contacts the outer ear in four locations.

Growing community of inventors

Annandale, MN, United States of America

Margaret V Nilson