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For the Inventor, By the Inventor

Pittsburgh, PA, United States of America

Energy Control Systems, Inc.


USPTO Granted Patents = 3

Forward Citations = 4

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2 inventors (with patents filed for the assignee):

goldMedal James M Royston (3 out of 5 patents)

silverMedal John A Samudovsky (3 out of 3 patents)


3 patents:

1. 7931306 - Vented gas riser apparatus (2011-04-26),
2. 7753412 - Vented gas riser apparatus (2010-07-13),
3. 7740284 - Vented gas riser apparatus (2010-06-22),
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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#339 in Pittsburgh, PA

#2,630 in Pennsylvania

#71,953 in US

...
Pittsburgh, PA, United States of America

Energy Control Systems, Inc.

Forward Citations = 4

2 inventors:

goldMedal James M Royston (3 out of 5 patents)

silverMedal John A Samudovsky (3 out of 3 patents)

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