Arthur W. Mitchell

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Kilkel County Down, GB

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Patents Grantslast 30 patents

Information Patent Grant
Chimney cowls
- Patent number 4,638,727
- Issue date Jan 27, 1987
- Arthur W. Mitchell
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Chimney cowls
- Patent number 4,206,693
- Issue date Jun 10, 1980
- Arthur W. Mitchell
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES