Charles E. MacArthur

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Sangerville, ME, US

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Patents Grantslast 30 patents

Information Patent Grant
Horizontal furnace
- Patent number 5,307,747
- Issue date May 3, 1994
- Charles E. Mac Arthur
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Heat exchange and fuel feed apparatus for vertical furnace
- Patent number 5,273,209
- Issue date Dec 28, 1993
- Charles E. MacArthur
- F24 - HEATING RANGES VENTILATING