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Du Pont Cellophane Co Inc

Du Pont Ce

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2011246A	Wrapping material	Expired / Lapsed	1932-07-07	1935-08-13	0	Details
US1937537A	Tube	Expired / Lapsed	1931-10-28	1933-12-05	0	Details
US1910521A	Method and apparatus for producing a sheet of film of regen…	Expired / Lapsed	1930-01-15	1933-05-23	0	Details
US1826696A	Moistureproofing composition	Expired / Lapsed	1928-09-27	1931-10-06	0	Details
US1815365A	Method of affixing labels	Expired / Lapsed	1930-08-07	1931-07-21	0	Details