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Patent US 3187118A: Difference between revisions
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|Title=Electrical switch having means for interconnecting concentric switch shafts | |Title=Electrical switch having means for interconnecting concentric switch shafts | ||
|Company=Tektronix Inc | |Company=Tektronix Inc | ||
|Inventors=Marlow | |Inventors=Marlow Butler; Oz Svehaug | ||
|Filing date=1962-01-18 | |Filing date=1962-01-18 | ||
|Grant date=1965-06-01 | |Grant date=1965-06-01 | ||
}} | }} | ||