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Symington Wayne Corp

Symington

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US3135212A	Submersible pump	Expired / Lapsed	1962-03-29	1964-06-02	2	Details
US3075649A	Rubber draft gear	Expired / Lapsed	1959-02-26	1963-01-29	2	Details
US3017038A	Draft rigging	Expired / Lapsed	1959-05-08	1962-01-16	0	Details
US2922500A	Slack adjuster	Expired / Lapsed	1956-12-13	1960-01-26	0	Details
US2918878A	Double-acting diaphragm pump	Expired / Lapsed	1957-12-05	1959-12-29	0	Details