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For the Inventor, By the Inventor

Belmont, MA, United States of America

Rh Lyon Corp


USPTO Granted Patents = 2

% Expired Patents = 100.0

Forward Citations = 173

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3 inventors (with patents filed for the assignee):

goldMedal Richard H Lyon (2 out of 10 patents)

silverMedal David L Bowen (1 out of 1 patent)

bronzeMedal Gladys L Unger (1 out of 1 patent)


2 patents:

1. 8208674 - Squeeze-stretch driver for earphone and the like (2012-06-26),
2. 7477751 - Method and apparatus for sound transduction with minimal interference from background noise and minimal local acoustic radiation (2009-01-13),
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USPTO Data Jan 1 1976 - Oct 6 2026

2 Patents

#21 in Belmont, MA

#4,925 in Massachusetts

#94,782 in US

Belmont, MA (US)
Belmont, MA, United States of America

Rh Lyon Corp

Forward Citations = 173

3 inventors:

goldMedal Richard H Lyon (2 out of 10 patents)

silverMedal David L Bowen (1 out of 1 patent)

bronzeMedal Gladys L Unger (1 out of 1 patent)

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