Number | Name | Date | Kind |
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3027585 | Freedman et al. | Apr 1962 | A |
D245883 | Tsuji et al. | Sep 1977 | S |
4203431 | Abura et al. | May 1980 | A |
D257747 | MacGregor | Jan 1981 | S |
D263998 | Oberheim | Apr 1982 | S |
D368343 | Gebhard et al. | Mar 1996 | S |
D549964 | Roth et al. | Sep 2007 | S |
D568609 | Evans | May 2008 | S |
Number | Date | Country |
---|---|---|
3615918 | Nov 1987 | DE |