Volume 2

Official Gazette, United States Patent Office (Washington, D.C.) (O.G.)

Date Filed: October 25th, 1872

Citations: 21 F. Cas. 1117, 6 Fish. Pat. Cas. 115, 2 O.G. 675, 9 Phila. 380, 1872 U.S. App. LEXIS 1402