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EA Laboratories Inc

EA Laborat
Active Patents
0
Total Holdings
10

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2311883A Horn system and switch Expired / Lapsed 1940-03-02 1943-02-23 0 Details
US2268762A Heater Expired / Lapsed 1937-06-29 1942-01-06 0 Details
US2256322A Cooling system Expired / Lapsed 1938-09-23 1941-09-16 0 Details
US2242337A Heater Expired / Lapsed 1939-08-16 1941-05-20 0 Details
US2241824A Pump Expired / Lapsed 1938-04-02 1941-05-13 0 Details
US2225071A Heat transfer device Expired / Lapsed 1937-07-15 1940-12-17 0 Details
US2218407A Air conditioner Expired / Lapsed 1937-08-25 1940-10-15 0 Details
US2022367A Horn Expired / Lapsed 1934-03-07 1935-11-26 0 Details
US1978484A Motor Expired / Lapsed 1931-10-08 1934-10-30 0 Details
US1808335A Electrical connecting member Expired / Lapsed 1927-11-18 1931-06-02 0 Details