William F. Mangels: Difference between revisions
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Revision as of 04:51, 24 May 2025
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Rides
Related Patents
- Amusement apparatus. (February 16, 1915) U.S. Patent No. 1,128,890 PDF[1]
- Carousel. (January 11, 1916) U.S. Patent No. 1,168,089 PDF[2]
- Carousel. (February 8, 1916) U.S. Patent No. 1,171,220 PDF[3]
- Figure. (May 27, 1924) U.S. Patent No. 1,495,917 PDF[4]
References
- ↑ Mangels, W. F. 1915. "Amusement apparatus." U.S. Patent No. 1,128,890. Accessed through the U.S. Patent and Trademark Office PDF
- ↑ Mangels, W. F. 1916. "Carousel." U.S. Patent No. 1,168,089. Accessed through the U.S. Patent and Trademark Office PDF
- ↑ Mangels, W. F. 1916. "Carousel." U.S. Patent No. 1,171,220. Accessed through the U.S. Patent and Trademark Office PDF
- ↑ Mangels, W. F. 1924. "Figure." U.S. Patent No. 1,495,917. Accessed through the U.S. Patent and Trademark Office PDF