| "Control for Modular Water Distiller," U.S. patent application Ser. No. 07/166,509, filed Mar. 10, 1988, invented by David J. Shannon and assigned to the same assignee as the present invention and application. |
| Leaflet, "We Care About the Water You Drink!", Polar Bear Water Distillers Mfg. Co. Ltd., Pickardville, Alberta, Canada distributed for more than one year prior to the filing date of the present application. |
| Leaflet, "Pure Water, Inc., Improving the Quality of Life Through the Quality of Water," Pure Water, Inc., Lincoln, Neb., copyright 1985. |
| Booklet, "Aqua D Mark II-Instructions for Assembly and Operation," Pure Water, Inc., Lincoln, Neb., copyright 1985. |
| Booklet, "Aqua D Plus-Instructions for Assembly and Operation," Pure Water, Inc., Lincoln, Neb., copyright 1987. |
| Leaflet, "Aqua D Series," Pure Water, Inc., Lincoln, Neb., copyright 1987. |
| Leaflet, "Midi D System," Pure Water, Inc., Lincoln, Neb., copyright 1988. |
| Leaflet, "Aqua Fountain," Pure Water, Inc., Lincoln, Neb., copyright 1981. |
| Leaflet, "Aqua Clean MD-4," Pure Water, Inc., Lincoln, Neb., copyright 1987. |
| Leaflet, "The Pure Water C-50 Distillation System Plus the Pure Water Model D 1-5 Dispenser," Pure Water, Inc., Lincoln, Neb., copyright 1987. |
| Leaflet, "Sight Glasses Available For Your 5- or 10- Gallon Tank," Pure Water, Inc., Lincoln, Neb., distributed for more than one year prior to the filing of the present application. |
| Leaflet, "C-520 Commercial Water Purification System," Pure Water, Inc., Lincoln, Neb., copyright 1989. |
Patent Grant
D316739
