Number | Name | Date | Kind |
---|---|---|---|
2797301 | Copleston | Jun 1957 | |
3109916 | Kilburn et al. | Nov 1963 | |
3263056 | Tallman | Jul 1966 | |
3909585 | Sanders et al. | Sep 1975 | |
4218605 | Hoffman et al. | Aug 1980 | |
4268740 | Sanders | May 1981 | |
4361747 | Torrani | Nov 1982 | |
4443683 | Watts | Apr 1984 | |
5338917 | Stuart et al. | Aug 1994 | |
5491231 | Stuart et al. | Feb 1996 |
Entry |
---|
Weldcraft Products, Inc.; Product Literature entitled, "Incredible"; Published at least as early as Oct. 16, 1997; 2 pages. |
ESAB; Product literature entitled, "FLEXLOCK--La torcia TIG in grado di assumere qualsiasi posizione"; Published at least as early as Oct. 16, 1997; 2 pages. |