For the Inventor, By the Inventor

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Framingham, MA, United States of America

Black Stone Trust

USPTO Granted Patents = 1

Trademarks = 1

Forward Citations = 8

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1 inventor (with patents filed for the assignee):

Richard D Smith (1 out of 34 patents)

1 patent: Sort by Forward Citations

1. 5120159 - Oil containment system for emergency use (1992-06-09),

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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#98 in Framingham, MA

#6,483 in Massachusetts

#133,781 in US

Framingham, MA, United States of America

Black Stone Trust

Forward Citations = 8

1 inventor:

Richard D Smith (1 out of 34 patents)

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