For the Inventor, By the Inventor

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San Diego, CA, United States of America

Energysource Minerals LLC

USPTO Granted Patents = 2

Trademarks = 3

Forward Citations = 48

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4 inventors (with patents filed for the assignee):

Charles R Marston (2 out of 13 patents)

Michael J Garska (2 out of 4 patents)

John L Featherstone (1 out of 35 patents)

4. Paul J Hanson (1 out of 4 patents)

2 patents: Sort by Forward Citations

1. 11365128 - Process for selective adsorption and recovery of lithium from natural and synthetic brines (2022-06-21),

2. 10604414 - System and process for recovery of lithium from a geothermal brine (2020-03-31),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#1,431 in San Diego, CA

#20,552 in California

#92,612 in US

San Diego, CA, United States of America

Energysource Minerals LLC

Forward Citations = 48

4 inventors:

Charles R Marston (2 out of 13 patents)

Michael J Garska (2 out of 4 patents)

John L Featherstone (1 out of 35 patents)

4. Paul J Hanson (1 out of 4 patents)

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