For the Inventor, By the Inventor

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Franklin, WI, United States of America

Microbial Discovery Group, LLC

USPTO Granted Patents = 18

EPO Patents = 3

Forward Citations = 16

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12 inventors (with patents filed for the assignee):

Michael R King (18 out of 31 patents)

Sona Son (18 out of 18 patents)

Kyle Leistikow (8 out of 8 patents)

4. Nathan Robert Augspurger (7 out of 7 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)

18 patents: Sort by Forward Citations

1. 12564612 - Microbial strains and antibiotics (2026-03-03),

2. 12514885 - Microbials and antibiotics (2026-01-06),

3. 12478080 - Direct-fed microbials and methods of their use (2025-11-25),

4. 12390497 - Microbial strains for virus inhibition (2025-08-19),

5. 12371355 - Microorganisms for treatment of waste, water, or soil or for feeding to animals (2025-07-29),

6. 12369604 - Methods of inhibition with microbial strains and antibiotics (2025-07-29),

7. 12256740 - Microorganisms for plant pathogen inhibition (2025-03-25),

8. 12162992 - Microorganisms for waste treatment (2024-12-10),

9. 12157690 - Cold temperature-resistant microbials and methods of their use (2024-12-03),

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

11. 11998576 - Direct-fed microbials (2024-06-04),

12. 11944656 - Microbials for feed (2024-04-02),

13. 11634554 - Microorganisms for waste treatment (2023-04-25),

14. 11627741 - Microorganisms for plant pathogen inhibition (2023-04-18),

15. 11110134 - Direct-fed microbials (2021-09-07),

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 - Sep 15 2026

18 Patents

#1 in Franklin, WI

#418 in Wisconsin

#17,912 in US

#34,095 in the World

Franklin, WI, United States of America

Microbial Discovery Group, LLC

Forward Citations = 16

12 inventors:

Michael R King (18 out of 31 patents)

Sona Son (18 out of 18 patents)

Kyle Leistikow (8 out of 8 patents)

4. Nathan Robert Augspurger (7 out of 7 patents)

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

Please report any incorrect information to [email protected]

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