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BIRKA REGULATOR AB

BIRKA REGU
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
GB221480A Improvements in thermostatic make and break switches Expired / Lapsed 1924-07-10 — 0 Details
US1661103A Thermostatic regulating device for heat-producing apparatus Expired / Lapsed 1925-11-03 1928-02-28 0 Details