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Robert W. Whitney
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Litchfield, IL, US
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last 30 patents
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Patent Grant
Method for making a tamper-evident, differential pressure-thermofor...
Patent number
4,893,452
Issue date
Jan 16, 1990
CPC-Rexel, Inc.
Robert Bruce
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Tamper-evident, differential pressure-thermoformed lidded plastic c...
Patent number
4,836,407
Issue date
Jun 6, 1989
CPC-Rexcel, Inc.
Robert Bruce
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL