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E H RES LAB Inc

E H RES LA
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3286180A Electrical measuring apparatus for determining response tim… Expired / Lapsed 1962-06-22 1966-11-15 2 Details
US3250990A Instrument for measuring transient characteristics Expired / Lapsed 1961-01-23 1966-05-10 2 Details