Hans F. Letzring

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Pleasant Ridge, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of powder coating weldable substrates
- Patent number 7,618,677
- Issue date Nov 17, 2009
- PPG Industries Ohio, Inc.
- Robert R. Roelofs
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Method of powder coating weldable substrates
- Publication number 20050003082
- Publication date Jan 6, 2005
- Robert R. Roelofs
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for applying automotive quality effect coatings to metal su...
- Publication number 20030190434
- Publication date Oct 9, 2003
- Alicia D. Byers
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC