Refrigerant with lubricating oil for replacement of R22 refrigerant | Patent Application Number 13493491

13493491
Not Appealed
Patent NumberUS 09982179 B2
Publication NumberUS 20120240602 A1
Filled DateJun 11, 2012
Priority DateSep 8, 2003
Inventor/ApplicantsSteffan Thomas, JR.
Kenneth M. Ponder
Steffan Thomas, Jr.
ExaminesHARDEE, JOHN R
Art Unit1761
Technology Center1700
Assignments
R421a Llc
Current
Law Firm
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