Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Patent
1990-07-12
1991-11-12
Lucas, Susan J.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Treatment
Patent
active
D03215504
REFERENCES:
patent: D172670 (1954-07-01), Kolodny
patent: D228065 (1973-08-01), Comroe
patent: D314418 (1991-02-01), Friesen
patent: 2987187 (1961-06-01), Comroe
patent: 3368683 (1968-02-01), Rak
patent: 4287057 (1981-09-01), Stanley
Photocopy of picture from sales literature entitled "Model PS Pocket Filter" from Katadyn U.S.A., Inc., Scottsdale, Ariz., Jun. 1989.
Photocopy of picture from sales literature entitled "First Need Portable Water Purification Device" from General Ecology, Inc., of Lionville, Pa., Jun. 1989.
Photocopy of picture in article in CanoeSport Journal, Timberline Filter Co., of Boulder, Colo., Fall 1988.
Photocopy of picture from sales literature entitled "Pocket Purifier Straw," of Calko, Ltd., Jun. 1989.
Photocopy of picture from sales literature entitled "Instant Reusable Water Filtration Device," Calco, Ltd., of Rosemont, Ill., Jun. 1989.
Photocopy of picture from sales literature entitled "Outback," of Hiker Supply Co. of Bremerton, Wash., Jun. 1989.
Dienes Nancy L.
Fife James F.
Laughlen Kenneth D.
Vorhis Daniel J.
Lucas Susan J.
Mountain Safety Research, Inc.
Tung M. H.
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