Index of Inventions - August 7, 1886
For Which Letters Patent Of The United States Were Granted, July 20, 1886, AND EACH BEARING THAT DATE. [See note At End Of List About Copies Of Thecae Patents.]
For Which Letters Patent Of The United States Were Granted, July 20, 1886, AND EACH BEARING THAT DATE. [See note At End Of List About Copies Of Thecae Patents.]