John J. Park

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Neenah, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Polypropylene foam sheets
- Patent number 5,180,751
- Issue date Jan 19, 1993
- James River Corporation of Virginia
- John J. Park
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polypropylene foam sheets
- Patent number 5,149,579
- Issue date Sep 22, 1992
- James River Corporation of Virginia
- John J. Park
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polypropylene foam sheets
- Patent number 5,116,881
- Issue date May 26, 1992
- James River Corporation of Virginia
- John J. Park
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...