Number | Date | Country | Kind |
---|---|---|---|
02601/92 | Aug 1992 | CHX |
Number | Name | Date | Kind |
---|---|---|---|
4575195 | Hoogland | Mar 1986 | |
4946267 | Hoogland | Aug 1990 | |
5005960 | Heimbeck | Apr 1991 | |
5142410 | Ono et al. | Aug 1992 |
Number | Date | Country |
---|---|---|
2619393 | Nov 1976 | DEX |
3534210 | Mar 1986 | DEX |
Entry |
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"Modern Optical Engineering", McGraw Hill Book Company Warren J. Smith, pp. 212-213. |