John Edward Chapman

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Patents Grantslast 30 patents

Information Patent Grant
Tube inspection and servicing apparatus
- Patent number 4,050,384
- Issue date Sep 27, 1977
- Babcock & Wilcox Limited
- John Edward Chapman
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Tool holding and positioning device
- Patent number 3,956,810
- Issue date May 18, 1976
- Babcock & Wilcox Limited
- John Edward Chapman
- F28 - HEAT EXCHANGE IN GENERAL