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For the Inventor, By the Inventor

Plymouth, MN, United States of America

Once Technologies, Inc.


USPTO Granted Patents = 1

Forward Citations = 1

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1 inventor (with patents filed for the assignee):

goldMedal Zdenko Grajcar (1 out of 100 patents)


1 patent:

1. 8863435 - Architecture for symbiotic livestock and biofuel production (2014-10-21),
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USPTO Data Jan 1 1976 - Jan 13 2026

1 Patents

#153 in Plymouth, MN

#3,505 in Minnesota

#134,032 in US

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Plymouth, MN, United States of America

Once Technologies, Inc.

Forward Citations = 1

1 inventor:

goldMedal Zdenko Grajcar (1 out of 100 patents)

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