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La Spirotechnique Industrielle et Commerciale

La Spirote

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US3001462A	Liquid-tight objective for underwater photographic apparatus	Expired / Lapsed	1958-07-23	1961-09-26	0	Details
US2989062A	Breathing apparatus for divers	Expired / Lapsed	1958-05-02	1961-06-20	0	Details
US2918061A	Breathing apparatus	Expired / Lapsed	1956-11-26	1959-12-22	0	Details
US2872919A	Diver's breathing apparatus	Expired / Lapsed	1956-07-12	1959-02-10	0	Details