# Alan J. Seefeldt — Patents explained on PatentBrief

Alan J. Seefeldt has 1 landmark patent explained in plain English on PatentBrief.

- [How a Speaker Bounces Sound Off the Ceiling for Wider Audio](https://patentbrief.org/patent/us/11006212/upward-firing-loudspeaker-having-asymmetric-dispersion-for-reflected-sound-rende) — granted 2021
  This patent describes a speaker system with special upward-firing drivers and slots designed to bounce high-frequency sound off a ceiling, creating a wider, more immersive listening experience.

**Full profile:** https://patentbrief.org/inventor/alan-j-seefeldt

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