| DIAL-A-BLEND Dema Engineering Company
74674849 15 May 1995 | on 17 Nov 2016
| chemical proportioning and dispensing system, namely, a device for mix... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products chemical proportioning and dispensing system, namely, a device for mixing liquid detergents, disinfectants or other chemicals with water for industrial and commercial use | | | BLEND SAFE Dema Engineering Company
74461575 12 Nov 1993 | on 03 Dec 2015
| chemical proportioning and dispensing system for mixing liquid deterge... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products chemical proportioning and dispensing system for mixing liquid detergents, disinfectants or other chemicals with water for industrial and commercial use | | | BLEND CENTER Dema Engineering Company
74462017 15 Nov 1993 | on 15 Jun 2015
| chemical proportioning and dispensing system for mixing liquid deterge... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products chemical proportioning and dispensing system for mixing liquid detergents, disinfectants or other chemicals with water for industrial and commercial use | | | MULTI-BLEND Dema Engineering Company
74482924 25 Jan 1994 | on 10 Apr 2020 | chemical proportioning and dispensing system, namely a device for mixi... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products chemical proportioning and dispensing system, namely a device for mixing liquid detergents, disinfectants or other chemicals with water for industrial and commercial use | | | DRAIN MASTER Dema Engineering Company
74527540 09 May 1994 | on 10 Apr 2020 | machine for pumping chemical and bacteria solutions into drains for co... Class 007 Class 007 Machinery Products machine for pumping chemical and bacteria solutions into drains for commercial use | | | SELECT-O-MATIC Dema Engineering Company
75319131 03 Jul 1997 | on 16 Jul 2005 | hydraulic control valves,hydraulic control valves Class 007 Class 007 Machinery Products hydraulic control valves | | | AQUA-MASTER Dema Engineering Company
74674900 15 May 1995 | on 10 Jan 2004 | control valve for maintaining water level in chemical proportioning an... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products control valve for maintaining water level in chemical proportioning and dispensing system not used in water purification systems | | | ULTRA-GAP Dema Engineering Company
74700350 12 Jul 1995 | on 25 Oct 2003 | proportioner for mixing water from a faucet with a liquid chemical add... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products proportioner for mixing water from a faucet with a liquid chemical additive | | | SURE-TIMER Dema Engineering Company
74674850 15 May 1995 | on 25 Jan 2003 | timing device for use with a chemical proportioning and dispensing sys... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products timing device for use with a chemical proportioning and dispensing system | | 
