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John W. Sliwa
| John W. Sliwa Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20090266290 | Buoyant-capable beverage and food content-sensor - A buoyant-capable sensor system device is disclosed for use alone or on an apparatus such as a straw, stirrer, mixer, stick or utensil which detects the presence or absence of one or more substances in a beverage or liquid food such as soup comprising a sensing element(s) which is either in direct or indirect contact with the beverage or food and a buoyant sensor body to assure user-visibility of the sensing element(s). | 10-29-2009 |