She went on to act in many movies with her daughter, including Daniel Boone/Pioneer Days in America and The Shaughraun.
While her daughter continued acting in film, Charlotte returned to stage productions.
[6] The patent protected the mechanism of rollers powered by the car's engine or a separate motor to clean the windshield.
[7] Since US patent law no longer protected her product’s propriety, it was only a matter of time until large car manufacturers picked up her design.
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