For the Inventor, By the Inventor

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Bainbridge Island, WA, United States of America

Elixsys, Inc.

USPTO Granted Patents = 3

Forward Citations = 0

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5 inventors (with patents filed for the assignee):

Lucien Papouchado (3 out of 3 patents)

Joseph D Preston (3 out of 29 patents)

Barry E Scheetz (2 out of 7 patents)

4. Barry E Sheetz (1 out of 3 patents)

5. Leonard Passmore (1 out of 2 patents)

3 patents: Sort by Forward Citations

1. 11479472 - Systems and methods to recover value-added materials from gypsum (2022-10-25),

2. 11148956 - Systems and methods to treat flue gas desulfurization waste to produce ammonium sulfate and calcium carbonate products (2021-10-19),

3. 11066723 - Systems and methods to chemically treat metal-bearing waste streams to recover value-added materials (2021-07-20),

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USPTO Data Jan 1 1976 - Dec 9 2025

3 Patents

#16 in Bainbridge Island, WA

#1,741 in Washington

#71,939 in US

Bainbridge Island, WA, United States of America

Elixsys, Inc.

Forward Citations = 0

5 inventors:

Lucien Papouchado (3 out of 3 patents)

Joseph D Preston (3 out of 29 patents)

Barry E Scheetz (2 out of 7 patents)

4. Barry E Sheetz (1 out of 3 patents)

5. Leonard Passmore (1 out of 2 patents)

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