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For the Inventor, By the Inventor

Broomfield, CO, United States of America

Zeagen, Inc.


USPTO Granted Patents = 3


Trademarks = 1

Forward Citations = 8

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7 inventors (with patents filed for the assignee):

goldMedal Donald L Heefner (3 out of 7 patents)

silverMedal Michael J Yarus (3 out of 9 patents)

bronzeMedal Linda A Burdzinski (3 out of 3 patents)

4.  Craig A Weaver (2 out of 2 patents)

5.  Dale C Gyure (1 out of 1 patent)

6.  Edward W Foster (1 out of 1 patent)

7.  Annette Boyts (1 out of 1 patent)

8.  Carey L Quarles (1 patent)


3 patents:

1. 5231007 - Efficient riboflavin production with yeast (1993-07-27),
2. 5164303 - Method for producing riboflavin with Candida famata (1992-11-17),
3. 5120655 - Riboflavin producing strains of microorganisms (1992-06-09),
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USPTO Data Jan 1 1976 - Jan 13 2026

3 Patents

#61 in Broomfield, CO

#1,720 in Colorado

#72,109 in US

...
Broomfield, CO, United States of America

Zeagen, Inc.

Forward Citations = 8

7 inventors:

goldMedal Donald L Heefner (3 out of 7 patents)

silverMedal Michael J Yarus (3 out of 9 patents)

bronzeMedal Linda A Burdzinski (3 out of 3 patents)

4.  Craig A Weaver (2 out of 2 patents)

5.  Dale C Gyure (1 out of 1 patent)

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