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For the Inventor, By the Inventor

Cambridge, MA, United States of America

Acentech, Inc.


USPTO Granted Patents = 3

Trademarks = 1

Forward Citations = 97

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2 inventors (with patents filed for the assignee):

goldMedal Thomas R Horrall (3 out of 17 patents)

silverMedal John C Heine (1 out of 7 patents)


3 patents:

1. 7194094 - Sound masking system (2007-03-20),
2. 6888945 - Personal sound masking system (2005-05-03),
3. 6188771 - Personal sound masking system (2001-02-13),
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USPTO Data Jan 1 1976 - Dec 23 2025

3 Patents

#456 in Cambridge, MA

#3,875 in Massachusetts

#71,950 in US

...
Cambridge, MA, United States of America

Acentech, Inc.

Forward Citations = 97

2 inventors:

goldMedal Thomas R Horrall (3 out of 17 patents)

silverMedal John C Heine (1 out of 7 patents)

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