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Pro Phy Lac Tic Brush Co

Pro Phy La

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2458352A	Method of preparing molecularly oriented copolymers of acry…	Expired / Lapsed	1947-04-03	1949-01-04	0	Details
US2387833A	Polymeric acetals and process of making same	Expired / Lapsed	1942-10-30	1945-10-30	0	Details
US2370126A	Process of making polyvinyl acetals	Expired / Lapsed	1942-03-06	1945-02-27	0	Details
US2359839A	Injection molding machine	Expired / Lapsed	1942-12-21	1944-10-10	0	Details