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AMERICAN BLOWER CO
AMERICAN B
Active Patents
0
Total Holdings
2
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