Christine M. Kaufmann

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Boothwyn, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for forming structural panels having a core with thermoplast...
- Patent number 5,484,500
- Issue date Jan 16, 1996
- E. I. Du Pont de Nemours and Company
- Christine M. Kaufmann
- B32 - LAYERED PRODUCTS
Information Patent Grant
Method for forming structural panels having a foam core with thermo...
- Patent number 5,407,516
- Issue date Apr 18, 1995
- E. I. Du Pont de Nemours and Company
- Christine M. Kaufmann
- B32 - LAYERED PRODUCTS
Information Patent Grant
Panel having a core with thermoplastic resin facings
- Patent number 5,328,744
- Issue date Jul 12, 1994
- E. I. Du Pont de Nemours and Company
- Christine M. Kaufmann
- B32 - LAYERED PRODUCTS