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HUMAN FACTORS RESEARCH Inc

HUMAN FACT
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3699949A Pulse jitter measurement especially for heart beat measurem… Expired / Lapsed 1971-07-26 1972-10-24 9 Details
US3648688A Pulse jitter measurement Expired / Lapsed 1970-07-20 1972-03-14 5 Details