Number | Date | Country | Kind |
---|---|---|---|
55-53439 | Apr 1980 | JPX | |
55-53813 | Apr 1980 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
1040699 | Ladoff | Oct 1912 | |
2826805 | Probst et al. | Mar 1958 | |
2933386 | Pessel | Apr 1960 | |
3109735 | Googin | Nov 1963 | |
3168607 | Greene | Feb 1965 | |
4028100 | Latva | Jun 1977 |
Entry |
---|
McGannon, Harold E. (ed.), The Making, Shaping and Treating of Steel, 1964, pp. 1080-1130. |
Number | Date | Country | |
---|---|---|---|
Parent | 604435 | May 1984 | |
Parent | 255392 | Apr 1981 |