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Ronald I. Kall
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Plantation, FL, US
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Patents Grants
last 30 patents
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Patent Grant
Closure indicator for cup lid
Patent number
6,230,924
Issue date
May 15, 2001
Design Safety Corporation
David Weiss
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Closure indicator for cup lid
Patent number
6,207,100
Issue date
Mar 27, 2001
Design Safety Corporation
David Weiss
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
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Patent Application
Closure indicator for cup lid
Publication number
20020020708
Publication date
Feb 21, 2002
David Weiss
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL