DIAMOND STATE FIBRE Co

DIAMOND ST

Active Patents

Total Holdings

Patent Holdings

Patent No.	Title	Status	Filing Date	Grant Date	Actions
US1697077A	Process of treating fibrous material	Expired / Lapsed	1926-01-30	1929-01-01	Details
US1441133A	Process of making laminated fiber products	Expired / Lapsed	1921-12-21	1923-01-02	Details
US1236460A	Waterproof material and process of making same.	Expired / Lapsed	1917-07-05	1917-08-14	Details