Did Mary Anderson invent anything else besides the windshield wiper?

There is no evidence that the Mary Anderson credited with inventing the windshield wiper and patenting it as a "window cleaning device" in 1903 ever invented or received a patent on anything else.

A search of the patent database for filings by a "Mary Anderson" during the course of THIS Mary Anderson's life does return quite a few results, but none appear to be the same Mary Anderson who invented the windshield wiper. None of these other inventors named "Mary Anderson" is from Birmingham, which is where out Mary Anderson spent her life.