Patents - Notes Keywords
thomas 1851/10/14 -> 8431 - > 
thomas 1855/01/02 -> 12186 - > 
thomas 1858/09/28 -> 21636 - > 
thomas 1860/10/16 -> RE1063 - > 
thomas 1861/11/12 -> 33715 - > 
thomas 1865/04/18 -> 47352 - > 
thomas 1865/12/12 -> 51488 - > 
thomas 1873/08/05 -> 141519 - > 
thomas 1874/01/13 -> 146366 - > 
thomas 1879/06/03 -> 216062 - > 
thomas 1900/06/26 -> 652405 - > 
thomas 1900/06/26 -> 652405 - >
thomas 1900/10/23 -> 660307 - > 
13 Patents Listed