Richard C. McKechnie

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Bergen op Zoom, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method of making a hollow core structural member
- Patent number 5,348,798
- Issue date Sep 20, 1994
- Azdel, Inc.
- Albert H. Berghuis
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL