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DS Brown Co Inc

DS Brown C

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US3401714A	Valve structures for inflatable articles	Expired / Lapsed	1965-08-26	1968-09-17	0	Details
US3177015A	Pipe coupling of sponge elastomer	Expired / Lapsed	1962-01-24	1965-04-06	2	Details
US3108813A	Masonry expansion joint seal	Expired / Lapsed	1960-04-19	1963-10-29	2	Details
US2947282A	Microbicidal elastomer articles	Expired / Lapsed	1958-08-06	1960-08-02	2	Details