Matches in DBpedia 2014 for { ?s ?p Charles Frances Ritchel (December 22, 1844 – January 21, 1911) was an American inventor of a successful dirigible design, the fun house mirror, a mechanical toy bank, and he was the holder of more than 150 patented inventions.. }
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- Charles_F._Ritchel abstract "Charles Frances Ritchel (December 22, 1844 – January 21, 1911) was an American inventor of a successful dirigible design, the fun house mirror, a mechanical toy bank, and he was the holder of more than 150 patented inventions.".
- Charles_F._Ritchel comment "Charles Frances Ritchel (December 22, 1844 – January 21, 1911) was an American inventor of a successful dirigible design, the fun house mirror, a mechanical toy bank, and he was the holder of more than 150 patented inventions.".