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Home › 2021 › Jfs B.V. › David A. Johnson
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David A. Johnson — 2 Patents in 2021

SMSmartech: 2 patents #1 of 3Top 35%
Hamden, CT: #10 of 65 inventorsTop 20%
Connecticut: #726 of 4,045 inventorsTop 20%
Overall (2021): #169,162 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D926123 Jump starter with flashlight Shiqi Zhu, Tao Li 2021-07-27
D926124 Jump starter with flashlight Shiqi Zhu, Tao Li 2021-07-27

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