They make it harder and more persistent than it might initially appear.

Genuine recovery of overlooked histories is not a task that can be completed and then finished; it is an ongoing project that requires continued investment.

Her Legacy in Numbers

When the full scope of Mary Kenner’s inventive career is considered in numerical terms, the achievement is remarkable by any standard.

Five patents.

Across a span of nineteen years — from the 1956 grant of her first patent to the 1975 grant of her fifth.

Covering five distinct product categories: menstrual products, personal hygiene, mobility aids, fire safety, and bathroom fixtures.