Number | Date | Country | Kind |
---|---|---|---|
89 12733 | Sep 1989 | FRX | |
89 15343 | Nov 1989 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
3208646 | Wessenger | Sep 1965 | |
3731843 | Anderson, Jr. | May 1973 | |
3883046 | Thompson et al. | May 1975 | |
4031917 | DeJohn et al. | Jun 1977 | |
4478358 | Lantry | Oct 1984 | |
4867593 | Kurokawa et al. | Sep 1989 |
Number | Date | Country |
---|---|---|
676460 | Jun 1987 | BEX |
112711 | Aug 1900 | DE2 |
1207128 | Feb 1960 | FRX |
Entry |
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Patent Abstracts of Japan, vol. 10, No. 353 (M-539) [2409], Nov. 28, 1986. |