| RETRO 8/24 Zars, Leif A.
78451899 16 Jul 2004 | on 12 Oct 2012 | entrapment guard in the nature of a suction flow diffuser for use in s... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products entrapment guard in the nature of a suction flow diffuser for use in swimming pools to reduce the probability of suction entrapment | | | VE II Zars, Leif A.
76437673 05 Aug 2002 | on 24 Jun 2011 | non-electrical and non-mechanical swimming pool drain line safety suct... Class 011 Class 011 Environmental Control Instrument Products (lighting,heating,cooling,cooking) VE 2 | | | EG II ZARS, LEIF A.
76495586 19 Feb 2003 | on 25 Feb 2005 | ENTRAPMENT GUARD IN THE NATURE OF A SUCTION FLOW DIFFUSER FOR USE IN S... Class 011 Class 011 Environmental Control Instrument Products (lighting,heating,cooling,cooking) ENTRAPEMENT GUARD 2 | | | VACUUM SUCTION ELIMINATOR Zars, Leif A.
76379198 08 Mar 2002 | on 24 Mar 2003 | Swimming pool drain line safety suction release,Swimming pool drain li... Class 011 Class 011 Environmental Control Instrument Products (lighting,heating,cooling,cooking) Swimming pool drain line safety suction release | | | VACUUM ELIMINATOR Zars, Leif A.
76283048 12 Jul 2001 | on 21 Oct 2002 | Swimming pool drain line safety suction release,Swimming pool drain li... Class 028 Class 028 Toys and Sporting Goods Products Swimming pool drain line safety suction release | | | VAC-ELIM VENT Zars, Leif A.
75873459 16 Dec 1999 | on 06 Jun 2001 | Automatic safety vent for swimming pool pumps used to release pump suc... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products Automatic safety vent for swimming pool pumps used to release pump suction force of swimming pool drains to prevent the entrapment of swimmers | |