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John Blue Co Inc

John Blue
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2854826A Method and system for transferring a pressurized normally g… Expired / Lapsed 1955-01-12 1958-10-07 0 Details
US2771037A Twin cylinder spray pump Expired / Lapsed 1952-06-11 1956-11-20 0 Details