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BERKELEY SCIENT LAB

BERKELEY S
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3460121A Signalling and communication system Expired / Lapsed 1965-10-24 1969-08-05 0 Details
US3378829A Fire warning device Expired / Lapsed 1965-04-02 1968-04-16 2 Details