For the Inventor, By the Inventor

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Franklin, WI, United States of America

Microbial Discovery Group, LLC

USPTO Granted Patents = 16

EPO Patents = 3

Trademarks = 13

Forward Citations = 9

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12 inventors (with patents filed for the assignee):

Michael R King (16 out of 29 patents)

Sona Son (16 out of 16 patents)

Nathan Robert Augspurger (7 out of 7 patents)

4. Kyle Leistikow (6 out of 6 patents)

5. Joel Dean Spencer (5 out of 9 patents)

6. Amy Lange (5 out of 5 patents)

7. Michael D Engelhardt (3 out of 3 patents)

8. Elizabeth Galbraith (3 out of 6 patents)

9. Megan Duersteler (3 out of 3 patents)

10. Claire Heile (3 out of 3 patents)

11. Samanta R Fensterseifer (1 out of 1 patent)

12. Ricardo P Arias (1 out of 1 patent)

13. Michael D Englehardt (0 patent)

16 patents: Sort by Forward Citations

1. 12478080 - Direct-fed microbials and methods of their use (2025-11-25),

2. 12390497 - Microbial strains for virus inhibition (2025-08-19),

3. 12371355 - Microorganisms for treatment of waste, water, or soil or for feeding to animals (2025-07-29),

4. 12369604 - Methods of inhibition with microbial strains and antibiotics (2025-07-29),

5. 12256740 - Microorganisms for plant pathogen inhibition (2025-03-25),

6. 12162992 - Microorganisms for waste treatment (2024-12-10),

7. 12157690 - Cold temperature-resistant microbials and methods of their use (2024-12-03),

8. 12115198 - Microbials for animals (2024-10-15),

9. 11998576 - Direct-fed microbials (2024-06-04),

10. 11944656 - Microbials for feed (2024-04-02),

11. 11634554 - Microorganisms for waste treatment (2023-04-25),

12. 11627741 - Microorganisms for plant pathogen inhibition (2023-04-18),

13. 11110134 - Direct-fed microbials (2021-09-07),

14. 10905135 - Direct-fed microbials and methods of their use (2021-02-02),

15. 10357046 - Direct-fed microbials and methods of their use (2019-07-23),

Microbial Discovery Group (MDG) is a leading expert in the development and manufacturing of microbial based products for a variety of industries including wastewater treatment, aquaculture, agriculture, and bioremediation. With a focus on sustainability and innovation, MDG works with clients to create custom solutions that address specific needs and challenges. Their team of scientists and engineers are dedicated to advancing the field of microbial technology through research and development.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

16 Patents

#1 in Franklin, WI

#451 in Wisconsin

#19,269 in US

#36,651 in the World

Franklin, WI, United States of America

Microbial Discovery Group, LLC

Forward Citations = 9

12 inventors:

Michael R King (16 out of 29 patents)

Sona Son (16 out of 16 patents)

Nathan Robert Augspurger (7 out of 7 patents)

4. Kyle Leistikow (6 out of 6 patents)

5. Joel Dean Spencer (5 out of 9 patents)

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