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David Ball — 2 Patents in 2021

Overall (2021): #170,228 of 548,734Top 35%

2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
10970713	Multi-scheme payment integrated circuit card, payment system, and payment method	Simon Hewitt	2021-04-06
10963864	Smart card with verification means	Simon Hewitt	2021-03-30

David Ball — 2 Patents in 2021

Issued Patents 2021

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