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Zellsloff Fabrik Waldhof AG

Zellsloff

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
GB335605A	Improvements in or relating to the production of artificial…	Expired / Lapsed	1929-06-27	—	0	Details
US2141433A	Process and apparatus for varying the width of paper webs o…	Expired / Lapsed	1936-05-01	1938-12-27	0	Details
US2141432A	Method and apparatus for crimping sheet material	Expired / Lapsed	1935-11-07	1938-12-27	0	Details
US2130007A	Process and apparatus for the longitudinal creping of webs …	Expired / Lapsed	1938-01-04	1938-09-13	0	Details