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Patents Grants
last 30 patents
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Patent Grant
Blow molded container and blow mold thereof
Patent number
5,799,809
Issue date
Sep 1, 1998
Yoshino Kogyosho Co., Ltd.
Isamu Sako
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of manufacturing a multilayer bottle
Patent number
5,567,377
Issue date
Oct 22, 1996
Yoshino Kogyosho Co., Ltd.
Akira Nishigami
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Multilayer bottle with separable layer
Patent number
5,435,452
Issue date
Jul 25, 1995
Yoshino Kogyosho Co., Ltd.
Akira Nishigami
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL