Marvin Pipkin (November 18, 1889 – January 7, 1977) was an Amer... - dofaq.co
marvin pipkin

Marvin Pipkin (November 18, 1889 – January 7, 1977) was an Amer...

wikipedia - 15 Oct 2020
Marvin Pipkin (November 18, 1889 – January 7, 1977) was an American chemist, engineer, and scientist. During his time in the United States Army, he worked on gas mask innovations. These masks were used by soldiers as well as the public during World War I for protection against chemical weapons. His innovative improvements were used through the twentieth century.

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