Patents - Notes Keywords
uspto 1850/00/00 -> 000000_03 - > 
uspto 1867/08/07 -> 000000_04 - > 
uspto 1867/08/23 -> 000000_05 - > 
uspto 1869/09/28 -> 000000_06 - > 
uspto 1873/10/28 -> 144114 - > 
uspto 1874/03/10 -> 148471 - > 
uspto 1887/05/10 -> 000000_07 - > 
uspto 1887/09/27 -> 000000_08 - > 
uspto 1891/08/04 -> 000000_09 - > 
uspto 1892/06/14 -> 000000_10 - > 
uspto 1897/00/00 -> 000000_11 - > 
uspto 1908/11/06 -> 000000_12 - > 
uspto 1926/08/24 -> 000000_13 - > 
13 Patents Listed