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Product Research and Chemical Corp

Product Re

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US3813012A	Air powered sealant dispenser, including flexible tubular c…	Expired / Lapsed	1973-03-12	1974-05-28	17	Details
US3735900A	Dual ingredient storage, intermixing and dispensing storage	Expired / Lapsed	1971-05-13	1973-05-29	2	Details
US3707146A	Means to inject a plastic into a cavity to produce a replic…	Expired / Lapsed	1967-03-07	1972-12-26	35	Details
US3370754A	Syringe for mixing and dispensing two ingredients	Expired / Lapsed	1966-12-21	1968-02-27	0	Details