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Lundberg Exploration S A

Lundberg E
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2278506A Apparatus for geophysical prospecting Expired / Lapsed 1939-10-04 1942-04-07 0 Details
US2241874A Method for geophysical exploration Expired / Lapsed 1939-02-24 1941-05-13 0 Details