Inventor
PTACEK FRED L
US3 patents
Patents
3 patentsUS5353603AOct 11, 1994
Dual refrigerant recovery apparatus with single vacuum pump and control means
WYNN S CLIMATE SYSTEMS INC59 citations91
US5379605AJan 10, 1995
Method for cleaning air conditioning system
WYNN S CLIMATE SYSTEMS INC15 citations70
US5337578AAug 16, 1994
Trapped air monitor for a refrigerant recovery unit
WYNN S CLIMATE SYSTEMS INC4 citations59