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Patent US 3558916A: Difference between revisions
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|Title=Responsive to input signals of a selectable duration | |Title=Responsive to input signals of a selectable duration | ||
|Company=Tektronix Inc | |Company=Tektronix Inc | ||
|Inventors=John | |Inventors=John Horn | ||
|Filing date=1968-02-28 | |Filing date=1968-02-28 | ||
|Grant date=1971-01-26 | |Grant date=1971-01-26 | ||
}} | }} | ||