Keywords: u.s. national archives usnationalarchives today's document todaysdocument march march 7 march7 march 7, 1876 march71876 03/07/1876 03071876 nara:arcid=302052 telephone patent bell alexander graham bell alexandergrahambell monochrome text blackandwhite writing drawing sketch cartoon black and white Title: Alexander Graham Bell's Telephone Patent Drawing and Oath, 03/07/1876 Production Date: March 7, 1876 Alexander Graham Bell's Telephone Patent Drawing and Oath, 03/07/1876 (ARC ID 302052); Patented Case Files, 1836 - 1956; Records of the Patent and Trademark Office; Record Group 241; National Archives. Persistent URL: arcweb.archives.gov/arc/action/ExternalIdSearch?id=302052 Access Restrictions: Unrestricted Use Restrictions: Unrestricted Title: Alexander Graham Bell's Telephone Patent Drawing and Oath, 03/07/1876 Production Date: March 7, 1876 Alexander Graham Bell's Telephone Patent Drawing and Oath, 03/07/1876 (ARC ID 302052); Patented Case Files, 1836 - 1956; Records of the Patent and Trademark Office; Record Group 241; National Archives. Persistent URL: arcweb.archives.gov/arc/action/ExternalIdSearch?id=302052 Access Restrictions: Unrestricted Use Restrictions: Unrestricted |