U.S. Patent No. 608,845 , filed July 15 , 1895 .
U.S. Patent issued August 9 , 1898 Accessed via Google Patent Search at : US Patent # 608,845 on February 8 , 2007 .
U.S. Patent No. 608,845 , filed July 15 , 1895 , and issued August 9 , 1898 Accessed via Google Patent Search at : US Patent # 608,845 on February 8 , 2007 .