# Sergey Ignatchenko — Patents explained on PatentBrief

Sergey Ignatchenko has 1 landmark patent explained in plain English on PatentBrief.

- [How Wearable Devices Act as Secure Bridges for Transactions](https://patentbrief.org/patent/us/9699159/microsoft-teams) — granted 2017
  A system where a wearable device acts as a secure middleman between your phone and a payment terminal or electronic lock to verify your identity and complete transactions.

**Full profile:** https://patentbrief.org/inventor/sergey-ignatchenko

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_Source: PatentBrief — https://patentbrief.org. Plain-English explanations of US patents._