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| Patents Granted on 1993-01-05 | |||||
| Number | Date | Patentee | Title | Type | |
| D332,227 | Jan. 05, 1993 | S.T. Kaneko | Digital Multimeter | electrical measuring apparatus | |
| 5,177,335 | Jan. 05, 1993 | R.W. Ritchey, Jr., J.D. Hartwig | Prefilter for EDM machine | electrical discharge machining | |