David F. Stewart

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North Reading, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Thermoformable polymer blend composition
- Patent number 4,386,188
- Issue date May 31, 1983
- Sweetheart Plastics, Inc.
- Michael R. Grancio
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermoformable polymer blend composition comprising styrene polymer...
- Patent number 4,386,187
- Issue date May 31, 1983
- Sweetheart Plastics, Inc.
- Michael R. Grancio
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...