Ronald Roberts

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Melrose, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Multilayer molding using temperature adjustment of flow rate in con...
- Patent number 7,399,442
- Issue date Jul 15, 2008
- Kortec, Inc.
- Douglas Sabin
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Co-injection nozzle with improved interior layer termination
- Patent number 7,306,446
- Issue date Dec 11, 2007
- Kortec, Inc.
- Douglas Sabin
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Multi-layer molding using temperature adjustment of flow rate in co...
- Publication number 20060029691
- Publication date Feb 9, 2006
- KORTEC,INC
- Douglas Sabin
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL