Number | Name | Date | Kind |
---|---|---|---|
D305726 | Halay | Jan 1990 | |
D308052 | Dardon et al. | May 1990 | |
D329046 | Westland | Sep 1992 | |
3096409 | Hubbell et al. | Jul 1963 | |
4655057 | Derman | Apr 1987 | |
4907111 | Derman | Mar 1990 | |
4964285 | Lakoski et al. | Oct 1990 |
Entry |
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Computer and Office Equipment Security Catalog, .COPYRGT.1990 by Secure-It, Inc., 18 Maple Court, East Longmeadow, Mass. 01028. |