Just lining up ducks . . .
Nature2 Patents:
5352369-Henig-Fountainhead-Method of treating water
http://www.freepatentsonline.com/5352369.html
http://www.freepatentsonline.com/5352369.pdf
5660802-Henig-Fountainhead-Water purifier
http://www.freepatentsonline.com/5660802.html
http://www.freepatentsonline.com/5660802.pdf
5766456-Denkewicz-Fountainhead-Water purifer for a pool
http://www.freepatentsonline.com/5766456.html
http://www.freepatentsonline.com/5766456.pdf
5779913-Denkewicz-Fountainhead-Water purifier for a spa
http://www.freepatentsonline.com/5779913.html
http://www.freepatentsonline.com/5779913.pdf
5858246-Henig-Fountainhead-Method of water purification with oxides of chlorine
http://www.freepatentsonline.com/5858246.html
http://www.freepatentsonline.com/5858246.pdf
6093422-Denkewicz-Zodiac-Biocidal compositions for treating water
http://www.freepatentsonline.com/6093422.html
http://www.freepatentsonline.com/6093422.pdf
6200487-Denkewicz-Zodiac-In-line,in-pool water purification system
http://www.freepatentsonline.com/6200487.html
http://www.freepatentsonline.com/6200487.pdf
6254894-Denkewicz-Zodiac-Silver self-regulating water purification compositions and methods
http://www.freepatentsonline.com/6254894.html
http://www.freepatentsonline.com/6254894.pdf
6524540-Henig-Biocatalytica-Materials and methods for water purification
http://www.freepatentsonline.com/6524540.html
http://www.freepatentsonline.com/6524540.pdf
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