Number | Date | Country | Kind |
---|---|---|---|
7-237890 | Aug 1995 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2827227 | Schmidlin et al. | Mar 1958 | |
3067624 | Norton et al. | Dec 1962 | |
3834840 | Hartley | Sep 1974 | |
5033940 | Baumann | Jul 1991 | |
5092185 | Zornes et al. | Mar 1992 |
Number | Date | Country |
---|---|---|
678881A5 | Nov 1991 | ATX |
Entry |
---|
Soviet Inventions Illustrated, section P/Q, week 8513, May 8, 1985, Derwent Publications Ltd., London, SU 1113 575A (Astrakhan Fish). |