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SI Group Inc

SI Group I

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US4126597A	Solutions of polyvinyl acetals	Expired / Lapsed	1977-03-21	1978-11-21	60	Details
US4119605A	Solutions of polyester-imides	Expired / Lapsed	1977-10-28	1978-10-10	32	Details
US3293248A	Isocyanurate-trianhydride polymer	Expired / Lapsed	1964-12-04	1966-12-20	0	Details
US2174912A	Coated metal wire	Expired / Lapsed	1939-08-07	1939-10-03	0	Details