The Little-Known Story Of Mary Kenner, The First Black American Woman To Earn Five Patents
She was operating at the frontier of what was being achieved, not in the middle of an established tradition.
She was building the tradition.
The years she spent developing her inventions before filing — the decades of thinking about the sanitary belt before the 1956 patent grant — are not captured in the patent number.
The patent grants mark the completion of a legal process, not the beginning of an inventive one.
The full span of Kenner’s inventive work was longer than the nineteen years between first and fifth patent, and the intensity of that work was not visible in any public record.
What She Would Have Wanted