This is a continuation of application Ser. No. 07/863,552 filed Apr. 6, 1992, now abandoned.
Number | Name | Date | Kind |
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4868877 | Fischer | Sep 1989 | |
5005200 | Fischer | Apr 1991 | |
5040142 | Mori et al. | Aug 1991 | |
5142578 | Matyas et al. | Aug 1992 | |
5164988 | Matyas et al. | Nov 1992 | |
5214702 | Fischer | May 1993 | |
5261002 | Perlman et al. | Nov 1993 |
Entry |
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Office Automation Concepts and Tools, 1985, Springer-Verlag, Berlin, DE pp. 113-133, J. Hogg, "Intelligent Message Systems". |
The Computer Journal, vol. 33, No. 4, Aug. 1990, Cambridge, GB, pp. 290-295, C. Mitchell et al., "A Secure Messaging Architecture Implementing The X.400-1988 Security Features". |
Number | Date | Country | |
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Parent | 863552 | Apr 1992 |