Donald H. Ball

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Bartlesville, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Process control method and apparatus
- Patent number 4,187,542
- Issue date Feb 5, 1980
- Phillips Petroleum Company
- Donald H. Ball
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process measurement and control
- Patent number 4,094,959
- Issue date Jun 13, 1978
- Phillips Petroleum Company
- Donald H. Ball
- G06 - COMPUTING CALCULATING COUNTING