George W. Cannon

George W. Cannon was an American inventor from New York. He is best known for the invention of the 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]

  1. ^ 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.
  2. ^ 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.
  3. ^ J.H. Beers & Co (1897). Commemorative biographical record of Dutchess County, New York. Chicago: J. H. Beers & Co., 1897. p. 258. Archived from the original on 2019-07-06. Retrieved 2013-08-13., retrieved October 30, 2012.