| PENTAPURE 3M COMPANY
687711 14 Aug 1991 | on 18 May 2023 | Class 001 Class 001 Chemical Products Water purifiers, air purifiers, and water purification resin. Class 011 Class 011 Environmental Control Instrument Products (lighting,heating,cooling,cooking) | | | PENTAPURE THE PURITY CORPORATION
351412 20 Mar 1972 | on 13 May 1988 | Class 011 Class 011 Environmental Control Instrument Products (lighting,heating,cooling,cooking) Pollution control devices for removal of particulate matter and undesired chemical matter from effluent stacks. | | 
