Records of the Patent and Trademark Office. 1836 - 1978. Selected Patent Files. 1840 - 2005. 174465 - Improvement in Telegraphy - Alexander Graham Bell. 1/20/1870 - 12/6/1926. Drawing for an Improvement in Telegraphy
Related Entities
There are 2 Entities related to this resource.
Bell, Alexander Graham, 1847-1922
http://n2t.net/ark:/99166/w68h98qm (person)
Inventor and educator. From the description of Check, 1918 Feb. 11. (Historical Society of Washington, Dc). WorldCat record id: 70954428 Alexander Graham Bell, inventor and educator, and members of the related Bell, Fairchild, Grosvenor, and Hubbard families. From the description of Alexander Graham Bell family papers, 1834-1974. (Unknown). WorldCat record id: 70979893 Inventor Alexander Graham Bell became a member of the American Philsophical Society in...
Bell, Alexander Graham, 1847-1922
http://n2t.net/ark:/99166/w68h98qm (person)
Inventor and educator. From the description of Check, 1918 Feb. 11. (Historical Society of Washington, Dc). WorldCat record id: 70954428 Alexander Graham Bell, inventor and educator, and members of the related Bell, Fairchild, Grosvenor, and Hubbard families. From the description of Alexander Graham Bell family papers, 1834-1974. (Unknown). WorldCat record id: 70979893 Inventor Alexander Graham Bell became a member of the American Philsophical Society in...
