Author:Roberto Landell de Moura
Works
- Patents
- 771917, "Wave Transmitter", issued October 11, 1904, filed February 9, 1903.
- 775337, "Wireless Telephone", issued November 22, 1904, filed October 4, 1901.
- 775846, "Wireless Telegraph", issued November 22, 1904, filed January 16, 1902.
Letters
- Letters to Landell
- 1901 - Letter by Mahron (File on Commons)
- 1902 - Letter by Munn & Co. (File on Commons)
- 1903 - Letter by Willard Minner (File on Commons)
- Related
- 1902 - Letter by Baldwin, Davidson e Wight (File on Commons)
- 1902 - Incomplete letter by the same authors (File on Commons)
- Additional English and Portuguese works at landelldemoura.org
Some or all works by this author are in the public domain in the United States because they were published before January 1, 1930.
This author died in 1928, so works by this author are in the public domain in countries and areas where the copyright term is the author's life plus 96 years or less. These works may be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.
Public domainPublic domainfalsefalse
