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AMERICAN BLOWER CO

AMERICAN B

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US1517764A	Heating system	Expired / Lapsed	1921-09-03	1924-12-02	0	Details
US1447915A	Centrifugal fan	Expired / Lapsed	1920-10-06	1923-03-06	0	Details
US1019818A	Ventilating apparatus.	Expired / Lapsed	1909-10-21	1912-03-12	0	Details
US1019780A	Ventilating apparatus.	Expired / Lapsed	1909-08-11	1912-03-12	0	Details
US1011799A	Rotary fan.	Expired / Lapsed	1911-03-14	1911-12-12	0	Details