William W. Nielson

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Berkeley, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Parison slicer for plastic molding machines
- Patent number 4,022,559
- Issue date May 10, 1977
- Flexible Plastics Corporation
- William W. Nielson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL