David A. Chappell

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West Chester, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for controlling an amount of material delivered during a mat...
- Patent number 6,441,322
- Issue date Aug 27, 2002
- The Procter & Gamble Company
- Raymond Houston Ash
- G01 - MEASURING TESTING
Information Patent Grant
Method for controlling an amount of material delivered during a mat...
- Patent number 6,380,495
- Issue date Apr 30, 2002
- The Procter & Gamble Company
- Raymond Houston Ash
- G01 - MEASURING TESTING
Information Patent Grant
Flexible method for building a recipe in a process control system
- Patent number 5,499,188
- Issue date Mar 12, 1996
- Honeywell Inc.
- Robert C. Kline
- G05 - CONTROLLING REGULATING