Patent US 4375660A
Patent number | US 4375660A (click link for details and documents via Google Patents) |
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Title | Ground isolation monitoring apparatus having a protective circuit |
Inventors | Stan Tate, Don Roberts, Carl E. Hollingsworth, Rich Nute |
Company | Tektronix Inc |
Filing date | 1981-02-03 |
Grant date | 1983-03-01 |