For the Inventor, By the Inventor

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Brookings, SD, United States of America

Prairie Aquatech

USPTO Granted Patents = 3

% Expired Patents = 33.3

EPO Patents = 2

Forward Citations = 30

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2 inventors (with patents filed for the assignee):

Michael L Brown (3 out of 9 patents)

William R Gibbons (3 out of 11 patents)

Sergio F Nates (0 patent)

4. Dennis Harstad (0 patent)

3 patents: Sort by Forward Citations

1. 12256758 - Microbial-based process for high quality protein concentrate (2025-03-25),

2. 11147292 - Microbial-based process for high quality protein concentrate (2021-10-19),

3. 9370200 - Microbial-based process for high-quality protein concentrate (2016-06-21),

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USPTO Data Jan 1 1976 - Oct 6 2026

3 Patents

#7 in Brookings, SD

#113 in South Dakota

#73,815 in US

Brookings, SD, United States of America

Prairie Aquatech

Forward Citations = 30

2 inventors:

Michael L Brown (3 out of 9 patents)

William R Gibbons (3 out of 11 patents)

Sergio F Nates (0 patent)

4. Dennis Harstad (0 patent)

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