Alan A. Johnston

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San Antonio, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Preservative oil for metal surfaces and method
- Patent number 4,668,413
- Issue date May 26, 1987
- Tenneco, Inc.
- Alan A. Johnston
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...