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Entry |
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Number | Date | Country | |
---|---|---|---|
Parent | 09/452293 | Nov 1999 | US |
Child | 09/953849 | US | |
Parent | 08/834991 | Apr 1997 | US |
Child | 09/452293 | US |
Number | Date | Country | |
---|---|---|---|
Parent | 08/656924 | Jun 1996 | US |
Child | 08/834991 | US |