George W. Cannon
George W. Cannon was an American inventor from
mechanical dumbwaiter. Cannon first filed for the patent of a brake system (US Patent no. 260776) that could be used for a dumbwaiter on January 6, 1883.[1] He later filed for the patent on the mechanical dumbwaiter (US Patent No. 361268) on February 17, 1887.[2] He is reported to have generated a vast amount of money from royalties from his dumbwaiter patents until his death in 1911.[3]
References
- ^ United States. Patent Office (1883). American Architect and Architecture, Volume 13. Boston: J. R. Osgood & Company, 1883. p. 11. Limited Preview, Google Books, accessed October 30, 2012.
- ^ United States. Patent Office (1887). Official gazette of the United States Patent Office, Volume 39, Issues 1-4. Washington: Government Printing Office, 1887. p. 252. Limited Preview, Google Books, accessed October 30, 2012.
- ^ J.H. Beers & Co (1897). Commemorative biographical record of Dutchess County, New York. Chicago: J. H. Beers & Co., 1897. p. 258., retrieved October 30, 2012.
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