Number | Name | Date | Kind |
---|---|---|---|
942661 | Peirce | Dec 1909 | |
3898079 | Eriksson | Aug 1975 | |
4023781 | Fritz et al. | May 1977 | |
4048352 | Pignocco et al. | Sep 1977 | |
4139673 | Ohmae | Feb 1979 | |
4210264 | Kondo | Jul 1980 | |
4385753 | Leroy et al. | May 1983 |
Number | Date | Country |
---|---|---|
235238 | Nov 1959 | AUX |
2419584 | Oct 1974 | DEX |
11013 | Apr 1976 | JPX |
106704 | May 1986 | JPX |
Entry |
---|
The Making, Shaping and Treating of Steel, United States Steel Corp., 1971, p. 50. |