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Symington Gould Co

Symington

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2876911A	Draft rigging	Expired / Lapsed	1956-10-15	1959-03-10	0	Details
US2638809A	Draft key retainer	Expired / Lapsed	1949-07-08	1953-05-19	0	Details
US1407320A	Dashpot	Expired / Lapsed	1917-05-10	1922-02-21	0	Details
US1268438A	Electrical system of distribution.	Expired / Lapsed	1915-09-01	1918-06-04	0	Details
US991112A	Electrical system of distribution.	Expired / Lapsed	1909-05-19	1911-05-02	0	Details