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Hawley Products Co

Hawley Pro

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US3250839A	Process for making fibrous articles	Expired / Lapsed	1964-06-30	1966-05-10	2	Details
US2715596A	Sheet material and method for the manufacture thereof	Expired / Lapsed	1953-07-07	1955-08-16	4	Details
US2702241A	Glass fiber material	Expired / Lapsed	1950-10-07	1955-02-15	2	Details
US2605855A	Method of making acoustic diaphragms	Expired / Lapsed	1948-12-22	1952-08-05	0	Details