Number | Name | Date | Kind |
---|---|---|---|
3131985 | Blonder | May 1964 | A |
3436937 | Barrett | Apr 1969 | A |
4462317 | Franko et al. | Jul 1984 | A |
4584856 | Petersdorff et al. | Apr 1986 | A |
4609780 | Clark | Sep 1986 | A |
4851652 | Imran | Jul 1989 | A |
4896246 | Henderson et al. | Jan 1990 | A |
5280518 | Danler et al. | Jan 1994 | A |
Entry |
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Supra KeyBox InfraRed Communication Tehnology brochure (showing conceptual design), copyright 2001. |
“The First KeyBox with a Brain and a Remote Opener,” GE Interlogix Supra brochure, published no earlier than 2002. |