| PERMA.DRI Permea, Inc. incorporated in Delaware 578270 14 May 1992 | Removed - Not renewed: Renewal fee not paid | Hollow fibre membranes in this class suitable for use in membrane gas ... Class 011 Class 011 Environmental Control Instrument Products lighting heating cooling cooking Hollow fibre membranes in this class suitable for use in membrane gas separators; membrane gas separators in this class incorporating hollow fibre membranes; and drying apparatus incorporating hollow fibre membranes in a membrane gas separator, especially for separating moisture from gases such as air, natural gas, oxygen, nitrogen, and the like | |
