# Henry L Pohndorf — Patents explained on PatentBrief

Henry L Pohndorf has 1 landmark patent explained in plain English on PatentBrief.

- [How Dr. Forrest Bird's Mechanical Respirator Controls Patient Breathing](https://patentbrief.org/patent/us/3191596/bird-respirator-ventilator) — granted 1965
  A 1965 patent describing a mechanical ventilator that automatically switches between inhaling and exhaling based on pressure levels in a patient's airway.

**Full profile:** https://patentbrief.org/inventor/henry-l-pohndorf

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