Title: Apparatus for converting iron into steel by means of hydrocarbon vapor
Patent number: 130,540
Date granted: 8/13/1872
Notes: Reissue 5,165 on Nov. 26, 1872.
View this patent at the USPTO.
Title: Apparatus for converting iron into steel by means of hydrocarbon vapor
Patent number: 130,540
Date granted: 8/13/1872
Notes: Reissue 5,165 on Nov. 26, 1872.
View this patent at the USPTO.