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Electrospace Corp

Electrospa
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3949193A Credit card reader having two magnetic readout heads Expired / Lapsed 1974-01-07 1976-04-06 9 Details
US3652795A Telephone transaction system Expired / Lapsed 1970-11-25 1972-03-28 8 Details