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HR Electronics Co

HR Electro
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3894220A Vending control system Expired / Lapsed 1974-04-25 1975-07-08 31 Details
US3754629A Coin controlled means for vending machines and the like Expired / Lapsed 1971-12-06 1973-08-28 25 Details