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Patent applications and USPTO patent grants for Crass; Gunther.The latest application filed is for "sealable, transparent polyolefinic multilayer film".
Patent | Date |
---|---|
Sealable, transparent polyolefinic multilayer film Grant 4,720,420 - Crass , et al. January 19, 1 | 1988-01-19 |
Sealable, opaque polyolefinic multilayer film and process therefor Grant 4,652,489 - Crass , et al. March 24, 1 | 1987-03-24 |
Sealable multilayer film for packaging purposes Grant 4,595,625 - Crass , et al. June 17, 1 | 1986-06-17 |
Adhesive tape Grant 4,525,416 - Hammerschmidt , et al. June 25, 1 | 1985-06-25 |
Rough electrical insulating film of polypropylene and process for the manufacture thereof Grant 4,367,511 - Crass , et al. January 4, 1 | 1983-01-04 |
Heat-sealable plastic film, process for its manufacture, and the use of the film Grant 4,303,708 - Gebhardt , et al. December 1, 1 | 1981-12-01 |
Biaxially stretched polypropylene composite film and electrical insulating film made therefrom Grant 4,283,453 - Siefried , et al. August 11, 1 | 1981-08-11 |
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