Forward Citations = 3

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2 inventors (with patents filed for the assignee):

Philip C Kester (2 out of 9 patents)

Marlin W Unruh (1 out of 7 patents)

3 patents: Sort by Forward Citations

1. 11606894 - Implement guidance module (2023-03-21),

2. 10327372 - Mounting structure for mounting gauge wheel assembly to implement (2019-06-25),

3. 10172272 - Mounting structure for mounting pivot arm to implement (2019-01-08),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#1 in Humboldt, SD

#113 in South Dakota

#73,860 in US

Humboldt, SD, United States of America

Copperhead Planter Products, LLC

Forward Citations = 3

2 inventors:

Philip C Kester (2 out of 9 patents)

Marlin W Unruh (1 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Copperhead Planter Products, LLC. Retrieved from https://idiyas.com/company/copperhead-planter-products

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]