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PRESSTITE ENGINEERING Co

PRESSTITE

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2718691A	Method of sealing	Expired / Lapsed	1952-10-17	1955-09-27	0	Details
US2646822A	Plastic-coated pipe and pipe fitting	Expired / Lapsed	1949-12-31	1953-07-28	0	Details
US2551834A	Protective plastic cap	Expired / Lapsed	1947-06-09	1951-05-08	0	Details
US2510727A	Sealing composition	Expired / Lapsed	1946-05-15	1950-06-06	2	Details
US2452805A	Composition of matter for sealing spot-welded joints	Expired / Lapsed	1944-10-14	1948-11-02	0	Details