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Terrance L. Brokoff
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Gladwin, MI, US
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last 30 patents
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Patent Grant
Differential pressure thermoforming and foam injection process and...
Patent number
4,676,938
Issue date
Jun 30, 1987
John Brown, Inc.
Roland Karklin
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Contact heater mechanisms for thermoforming machines
Patent number
4,079,232
Issue date
Mar 14, 1978
Koehring Company
Terrance L. Brokoff
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL