Number | Date | Country | Kind |
---|---|---|---|
7-339005 | Dec 1995 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2841951 | Whitcomb | Jul 1958 | |
3670844 | Penfold | Jun 1972 | |
3726084 | Meier | Apr 1973 | |
4815274 | Piatti | Mar 1989 |
Number | Date | Country |
---|---|---|
284466 | Sep 1988 | EPX |
5-1819 | Jan 1993 | JPX |
5-12623 | Feb 1993 | JPX |
Entry |
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Copending U.S. Patent Application Serial No. 626,737. |