Peter Roe Duffield

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Toronto, CA

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Patents Grantslast 30 patents

Information Patent Grant
Process for the continuous melt thermoforming of polymers
- Patent number 4,061,706
- Issue date Dec 6, 1977
- Du Pont of Canada Limited
- Peter Roe Duffield
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL