Ronald J. Wierzbicki

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New Milford, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing polyurethane foam and apparatus therefor
- Patent number 5,118,720
- Issue date Jun 2, 1992
- Sealed Air Corporation
- Robert D. Wheeler
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for producing polyurethane foam and apparatus therefor
- Patent number 5,055,272
- Issue date Oct 8, 1991
- Sealed Air Corporation
- Robert D. Wheeler
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL