All Patents in class 62/228.3


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All Patents in class 62/228.3
Patents 1 - 2 of 2
Number	Title	Classification(s)
2,267,607	Refrigerating Apparatus	62/181, 62/183, 62/209, 62/226, 62/228.3, 62/506, 62/DIG.17
2,301,725	Apparatus for Conditioning Air	236/44R, 62/173, 62/176.6, 62/200, 62/213, 62/226, 62/228.3, 62/427