Number | Date | Country | Kind |
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197 12 828 | Mar 1997 | DE |
Number | Name | Date | Kind |
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3805061 | De Missimy | Apr 1974 | |
4015122 | Rubinstein | Mar 1977 | |
5567931 | Amend et al. | Oct 1996 |
Number | Date | Country |
---|---|---|
43 12 947 C1 | Jun 1994 | DE |
43 04 343 A1 | Aug 1994 | DE |
44 38 798 C2 | Feb 1997 | DE |
0 060 021 A2 | Sep 1982 | EP |
Entry |
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Veldkamp, Wilfrid B., et al.: “Bin{umlaut over (a)}re Optik”, Spektrum der Wissenschaft, Jul. 1992, pp. 44-50. |