Number | Date | Country | Kind |
---|---|---|---|
93 00192 | Jan 1993 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
2382177 | Schanz | May 1992 | |
3142091 | Curtiss | Jul 1964 | |
4539169 | Nixon et al. | Sep 1985 | |
4963309 | Gohlisch et al. | Oct 1990 | |
5061166 | Gohlisch et al. | Oct 1991 | |
5122049 | Baumgarten | Jun 1992 | |
5234647 | Harada et al. | Aug 1993 | |
5242290 | Hiraiwa et al. | Sep 1993 |
Number | Date | Country |
---|---|---|
0484868 | May 1992 | EPX |
1479111 | May 1969 | DEX |
Entry |
---|
Plastiques Elastomeres, vol. 31, No. 5, Juin 1979, Paris, pp. 79-81 `Une iere pour graver en entrudant`. |