# Stefan Janke — Patents explained on PatentBrief

Stefan Janke has 1 landmark patent explained in plain English on PatentBrief.

- [How to Make Reusable Plastic SIM Card Holders](https://patentbrief.org/patent/us/12086666/starship-depot-variant) — granted 2024
  A design for a plastic card that allows users to pop out and snap back in different sizes of SIM cards without them falling out.

**Full profile:** https://patentbrief.org/inventor/stefan-janke

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