Number | Name | Date | Kind |
---|---|---|---|
4496200 | Hagstrom et al. | Jan 1985 | |
4600255 | Dubarko | Jul 1986 | |
4709972 | Labudde et al. | Dec 1987 |
Entry |
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Global Computer Supplies catalog, Feb. 1988, p. 28. |
Data Defender Accessories for Personal Computers catalog, pp. 16-17. |
Pamphlets regarding surge suppressing and power protection products. |