<div class="description">
<ul><li><b>Scope and content:</b>  This patent file is for an improvement in telegraphy, also known as the telephone, by Alexander Graham Bell.  The file includes drawings, specifications, affidavits, notices of interference, receipts, and correspondence.  The parties to the interferences include Elisha Gray, Thomas A. Edison, A. G. Holcombe, Amos Emerson Dolbear, George B. Richmond, James W. McDonough, and Emile Berliner.</li></ul></div>
<div class="fn value">
Bell, Alexander Graham, 1847-1922 (<a rel="nofollow" class="external text" href="https://research.archives.gov/person/10583213">NARA record: 10583213</a>)</div>
1840 – 2005
<a href="https://en.wikipedia.org/wiki/U.S._National_Archives_and_Records_Administration" class="extiw" title="en:U.S. National Archives and Records Administration">U.S. National Archives and Records Administration</a>