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Home › 2022 › Copper John › Eric C. Springer
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Eric C. Springer — 1 Patent in 2022

CJCopper John: 1 patents #1 of 1Top 100%
Canton, SD: #1 of 1 inventorsTop 100%
South Dakota: #48 of 237 inventorsTop 25%
Overall (2022): #461,292 of 548,613Top 85%
1 Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11262154 Archery release device and method operable to generate a pulling force — 2022-03-01

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