James R. Olson

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Youngstown, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Fire resistant barrier for dynamic expansion joints
- Patent number 6,128,874
- Issue date Oct 10, 2000
- Unifrax Corporation
- James R. Olson
- E04 - BUILDING
Information Patent Grant
Fire barrier material and gaskets therefor
- Patent number 6,112,488
- Issue date Sep 5, 2000
- Unifrax Corporation
- James R. Olson
- E04 - BUILDING