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last 30 patents
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Patent Grant
Mold assembly for forming ophthalmic lens, method of producing the...
Patent number
6,315,929
Issue date
Nov 13, 2001
Menicon Co., Ltd.
Kenichi Ishihara
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Mold assembly for forming ophthalmic lens
Patent number
6,257,547
Issue date
Jul 10, 2001
Menicon Co., Ltd.
Motonobu Togo
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL