Number | Date | Country | Kind |
---|---|---|---|
UD92A0042 | Mar 1992 | ITX | |
UD92A0043 | Mar 1992 | ITX |
Number | Name | Date | Kind |
---|---|---|---|
2878447 | Price et al. | Mar 1959 | |
3484682 | Wood | Dec 1969 | |
3518533 | Arnelo | Jun 1970 | |
3539914 | McClughan | Nov 1970 | |
3582771 | Placke | Jun 1971 | |
4785243 | Abramczyk et al. | Nov 1988 |
Number | Date | Country |
---|---|---|
0052434 | Oct 1981 | EPX |
0069239 | Jun 1982 | EPX |
0096774 | May 1983 | EPX |
0202377 | Sep 1985 | EPX |
0231865 | Jan 1987 | EPX |
0449753 | Mar 1991 | EPX |
2250994 | Nov 1974 | FRX |
0696368 | Nov 1979 | SUX |
Entry |
---|
Soviet Inventions Illustrated, Section EI, Week 8407; 28 Mar. 1984; Derwent Publications Ltd. London & SU A-10-12122 14 Apr. 1983 (Abstract). |
Patent Abstracts of Japan, vo. 4, No. 7 (C-70) 19 Jan. 1980) & JP A-54-141 368, (Kobe Seikosho) 2 Nov. 1979-Abstract. |