Both of those facts are part of her story.

The Other Four Patents

Mary Kenner’s identity as an inventor is not defined by a single invention.

She held five patents in total, covering a range of different products and problems, and several of these represent genuine contributions to solving practical problems in people’s daily lives.

The sanitary belt patent — U.S.

Patent 2,717,599, granted in 1956 — was her most commercially significant and most discussed invention.

But it was not her only one.