Oliver J. Whitfield

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Mountlake Terrace, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for combustion of solid particulate fuel
- Patent number 4,947,769
- Issue date Aug 14, 1990
- Oliver J. Whitfield
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Pellet feed system
- Patent number 4,945,837
- Issue date Aug 7, 1990
- Oliver J. Whitfield
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Pellet feed system
- Patent number 4,787,322
- Issue date Nov 29, 1988
- Oliver J. Whitfield
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES