Number | Date | Country | Kind |
---|---|---|---|
100 33 101 | Jul 2000 | DE |
Number | Name | Date | Kind |
---|---|---|---|
2379243 | Milne | Jun 1945 | A |
2755601 | Lux | Jul 1956 | A |
3133533 | Sprague | May 1964 | A |
4004378 | Maxey | Jan 1977 | A |
5471970 | Sakarcan | Dec 1995 | A |
5758561 | Curtsinger | Jun 1998 | A |
6277017 | Ji | Aug 2001 | B1 |
6408838 | Ogata et al. | Jun 2002 | B1 |
Number | Date | Country |
---|---|---|
1959323 | Apr 1967 | DE |
9638718 | Oct 1997 | DE |
0905075 | Feb 1982 | RU |
Entry |
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Patent Abstract of Japan No. 03-287,382, Dec. 12, 1991. |