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Electronic Communications Inc

Electronic
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3639848A Transverse digital filter Expired / Lapsed 1970-02-20 1972-02-01 11 Details
US3396626A Automatic range finder Expired / Lapsed 1963-09-27 1968-08-13 0 Details
US3279391A Ultra-high pressure piston pump Expired / Lapsed 1964-06-18 1966-10-18 2 Details