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4850346 | Michel et al. | Jul 1989 | A |
5592937 | Freund | Jan 1997 | A |
6016804 | Gleason et al. | Jan 2000 | A |
6536435 | Fecteau et al. | Mar 2003 | B1 |
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20030154984 | Fernandes | Aug 2003 | A1 |
Number | Date | Country | |
---|---|---|---|
Parent | 29347442 | Jan 2010 | US |
Child | 29371584 | US |