Richard H. Immel

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West Chester, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for rapid pre-expension and molding of expand...
- Patent number 5,271,886
- Issue date Dec 21, 1993
- Arco Chemical Technology, L.P.
- William Collom
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Molding prepuffed polystyrene for higher density skin
- Patent number 4,424,177
- Issue date Jan 3, 1984
- Atlantic Richfield Company
- Richard H. Immel
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL