39,764
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Patent US 4375660A: Difference between revisions
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|Title=Ground isolation monitoring apparatus having a protective circuit | |Title=Ground isolation monitoring apparatus having a protective circuit | ||
|Company=Tektronix Inc | |Company=Tektronix Inc | ||
|Inventors=Stanley H. Tate; | |Inventors=Stanley H. Tate; Don Roberts; Carl E. Hollingsworth; William R. Nute | ||
|Filing date=1981-02-03 | |Filing date=1981-02-03 | ||
|Grant date=1983-03-01 | |Grant date=1983-03-01 | ||
}} | }} | ||