Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Patent
1995-09-14
1996-09-24
Word, A. Hugo
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Treatment
Patent
active
D03740641
REFERENCES:
patent: D220263 (1971-03-01), Hughes
patent: D227565 (1973-07-01), Ehret
patent: D235143 (1975-05-01), Ehret
patent: 4504387 (1985-03-01), Lemire et al.
patent: 4662387 (1987-05-01), King, Sr.
patent: 4935116 (1990-06-01), Lemire
Commercial prior art water purifier (photographs attached).
Brancazio Diane M.
Gardner Susannah E.
Hern Matthew D.
Labrano Francis M.
Snow David A.
Fountainhead Technologies
Taylor Robin V.
Word A. Hugo
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