Inventor

Earle C Haas

Patents indexed

Year range

1934

Associated with

Years active

1934

Total patents

Most recent

1934

Domains

consumer_electronicsbiotech

Activity by decade

1930s

Patents

Career timeline

1 patents, in 1934

Dot size = forward citations

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How the modern internal menstrual tampon was invented

Earle Haas's 1933 patent describes the first modern internal menstrual tampon, designed to be inserted into the vagina using a cardboard applicator.

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