Inventor
YODER DAVID J
US6 patents
Patents
6 patentsUS5409373AApr 25, 1995
Burner housing for multi oil furnaces
CLEAN BURN INC7 citations70
US5531212AJul 2, 1996
Multi oil furnace
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US5551868ASep 3, 1996
Preheater block for multi oil furnaces
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US5494025AFeb 27, 1996
Heat exchanger for multi oil furnaces
CLEAN BURN INC5 citations57
US5408941AApr 25, 1995
Multi oil furnace service doors
CLEAN BURN INC1 citations47
US5490495AFeb 13, 1996
Cleanout header for multi oil furnaces
CLEAN BURN INC1 citations45