For the Inventor, By the Inventor

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Rocky River, OH, United States of America

Music Specialities Corp.

USPTO Granted Patents = 1

Forward Citations = 9

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1 inventor (with patents filed for the assignee):

Harold E Stevens (1 out of 2 patents)

1 patent: Sort by Forward Citations

1. 4144490 - Electronic sensing and measuring apparatus for signals in audio (1979-03-13),

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USPTO Data Jan 1 1976 - Dec 30 2025

1 Patents

#11 in Rocky River, OH

#5,174 in Ohio

#133,919 in US

Rocky River, OH, United States of America

Music Specialities Corp.

Forward Citations = 9

1 inventor:

Harold E Stevens (1 out of 2 patents)

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