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Lehighton, PA, US
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Patents Grants
last 30 patents
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Patent Grant
Dual flight rotors for continuous mixer assembly
Patent number
7,350,960
Issue date
Apr 1, 2008
Tech. Process & Engineering, Inc.
Kelly A Ziegenfus
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Packing gland seal assembly as an upstream seal for mixer rotors
Patent number
6,390,666
Issue date
May 21, 2002
Tech, Process & Engineering, Inc.
Harold L. Schafer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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