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RALPH H FASH

RALPH H FA

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2459512A	Petroleum exploration by soil analysis	Expired / Lapsed	1944-11-06	1949-01-18	0	Details
US2361261A	Method of detecting the penetration of an oil-bearing horiz…	Expired / Lapsed	1940-10-09	1944-10-24	0	Details
US2311151A	Analysis of soil samples for determining oil content	Expired / Lapsed	1940-05-10	1943-02-16	0	Details
US2297939A	Method of detecting the penetration of an oil-bearing horiz…	Expired / Lapsed	1940-10-09	1942-10-06	0	Details