Number | Date | Country | Kind |
---|---|---|---|
2193327 | Dec 1996 | CAX |
Number | Name | Date | Kind |
---|---|---|---|
4740151 | Schmidt et al. | Apr 1988 | |
4932858 | Gellert | Jun 1990 | |
5366369 | Gellert | Nov 1994 |
Number | Date | Country |
---|---|---|
2047461 | Jan 1993 | CAX |
0523549 | Jan 1993 | EPX |
Entry |
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Copy of patent application 08/502922 filed Jul 17, 1995 to Gellert. |