Charles Tillman Keller

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West Chester, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Cathodic protection system for air compressor tanks
- Patent number 6,770,177
- Issue date Aug 3, 2004
- Ingersoll-Rand Company
- Charles Tillman Keller
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Uniform cross-section and ribbed thermoplastic compressor valve
- Patent number 6,024,126
- Issue date Feb 15, 2000
- E. I. Du Pont de Nemours and Company
- Ed Miller
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Cathodic protection system for air compressor tanks
- Publication number 20030085117
- Publication date May 8, 2003
- Ingersoll-Rand Company
- Charles Tillman Keller
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...