Author:Roberto Landell de Moura
Roberto Landell de Moura
Works
[edit]- Patents
- 771917, "Wave Transmitter", issued October 11, 1904, filed February 9, 1903.
- United States patent 775337 (transcription project)
- 775846, "Wireless Telegraph", issued November 22, 1904, filed January 16, 1902.
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