Trademarks = 1

Forward Citations = 13

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9 inventors (with patents filed for the assignee):

Douglas Edward DeVries (1 out of 22 patents)

Michael W Walter (1 out of 4 patents)

Thomas C Christensen (1 out of 11 patents)

4. Timothy J Prachar (1 out of 2 patents)

5. Jacques Y Foster (1 out of 1 patent)

6. Alan S Foster (1 out of 1 patent)

7. Jack L Carter (1 out of 1 patent)

8. William G Phelps (1 out of 1 patent)

9. Daniel W Smith (1 out of 1 patent)

1 patent: Sort by Forward Citations

#97 in Des Moines, IA

#898 in Iowa

#136,739 in US

Fairtron Corporation

Forward Citations = 13

9 inventors:

Douglas Edward DeVries (1 out of 22 patents)

Michael W Walter (1 out of 4 patents)

Thomas C Christensen (1 out of 11 patents)

4. Timothy J Prachar (1 out of 2 patents)

5. Jacques Y Foster (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Fairtron Corporation. Retrieved from https://idiyas.com/company/fairtron

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]