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Hickok Electrical Instrument Co

Hickok Ele
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3536997A Digital ohmmeter with modified wheatstone bridge Expired / Lapsed 1968-10-11 1970-10-27 0 Details
US3473122A Digital voltmeter Expired / Lapsed 1966-12-05 1969-10-14 0 Details
US3032708A Short indicator Expired / Lapsed 1957-04-04 1962-05-01 0 Details