About Lewis Haslett
Lewis Haslett was an American engineer and patent inventor.
Lewis Phectic Haslett was an American inventor and the first person to receive a patent for an early form of the gas mask in 1849.
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Important facts
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Frequently asked questions
Who was Lewis Haslett?
American inventor
What was Lewis Haslett's occupation?
Lewis Haslett was an engineer and patent inventor.
What nationality was Lewis Haslett?
Lewis Haslett was American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Lewis Haslett. https://biography.guide/lewis-haslett/
MLA: "Lewis Haslett." Biography.guide, https://biography.guide/lewis-haslett/.
Chicago: "Lewis Haslett." Biography.guide. https://biography.guide/lewis-haslett/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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