# Bernard Kasser — Patents explained on PatentBrief

Bernard Kasser has 1 landmark patent explained in plain English on PatentBrief.

- [Logitech's Method for Using Two Fingers on a Touchpad](https://patentbrief.org/patent/us/5825352/apple-pinch-to-zoom) — granted 1998
  Logitech's 1998 patent describes how a touchpad can detect two fingers touching it in a specific sequence to perform actions like clicking or dragging, going beyond single-finger mouse emulation.

**Full profile:** https://patentbrief.org/inventor/bernard-kasser

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