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Ewing Development Co

Ewing Deve

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2925634A	Adjustable blind for light openings	Expired / Lapsed	1958-01-20	1960-02-23	0	Details
US2547632A	Sun screen with plastic warp	Expired / Lapsed	1947-06-07	1951-04-03	2	Details
US2319225A	Sun screen	Expired / Lapsed	1941-01-13	1943-05-18	0	Details
US2194222A	Screen	Expired / Lapsed	1938-11-07	1940-03-19	0	Details