Name Lewis Haslett | ||
![]() | ||
Lewis P. Haslett was an inventor and the first person to receive a patent in the U.S. for an early form of the gas mask.

References
Lewis Haslett Wikipedia(Text) CC BY-SA
Name Lewis Haslett | ||
![]() | ||
Lewis P. Haslett was an inventor and the first person to receive a patent in the U.S. for an early form of the gas mask.