James O. Tveekrem

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Akron, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Bituminous compositions
- Patent number 4,973,615
- Issue date Nov 27, 1990
- Bridgestone/Firestone, Inc.
- Shingo Futamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...