Number | Name | Date | Kind |
---|---|---|---|
D106277 | Boynton | Oct 1937 | |
D106278 | Boynton | Oct 1937 | |
D305641 | De Luca | Jan 1990 | |
D312615 | Schwartz | Dec 1990 | |
4897049 | Miller et al. | Jan 1990 | |
4934962 | Luu et al. | Jun 1990 |
Entry |
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Surge protectors on p. 97 of Global Computer Supplies, Aug. 1990 catalog. |
Surge protector 28-0255 on p. 62 of MCM Electronics, Summer '91 catalog. |