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---|---|---|---|
2069835 | Keller | Feb 1937 | |
3501393 | Wehner et al. | Mar 1970 | |
3595773 | Wurm et al. | Jul 1971 | |
3619402 | Wurm | Nov 1971 | |
3985635 | Adam et al. | Oct 1976 | |
5069770 | Glocker | Dec 1991 | |
5135634 | Clarke | Aug 1992 | |
5178739 | Barnes et al. | Jan 1993 | |
5401350 | Patrick et al. | Mar 1995 | |
5512155 | Fukasawa | Apr 1996 | |
5580428 | Krivokapic et al. | Dec 1996 | |
5693197 | Lal et al. | Dec 1997 | |
5707498 | Ngan | Jan 1998 | |
5798029 | Morita | Sep 1998 | |
5800688 | Lantsmann et al. | Sep 1998 |
Number | Date | Country |
---|---|---|
1905058 | Jan 1969 | DE |
0 807 954 A1 | Nov 1997 | EP |
Entry |
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