Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 4983364 | Multi-mode combustor An optimized thermal/catalytic combuster for the efficient oxidation of volatile organic compounds (VOC) in air. As an example, the invention is directly applicable to remedial action for clean-up of ground sites contaminated by spills or leaks of gasolin... | 01/08/1991 |
| 4397632 | Vaporized type liquid fuel combustion apparatus A vaporizing type liquid fuel combustion apparatus comprising a pot burner, vaporizer for vaporizing liquid fuel provided above the pot burner, a fuel supply pipe for supplying the liquid fuel to the vaporizer, a vaporized gas combustion burner which has ... | 08/09/1983 |
| 4259058 | Burner apparatus using vaporized fuel A burner apparatus is specially designed for vaporized fuels such as alcohol vapor for use by campers, aboard small boats, in vans, and the like. Extremely efficient combustion is achieved by an annular air/fuel mixer plate with a plurality of circular op... | 03/31/1981 |
| 4015927 | Automatic high-low burner operation A method of operating a burner in which fuel and airborne combustible debris to be incinerated are received in a burner while fuel delivered to the burner is decreased in quantity in the absence of debris to be incinerated so that delivery of excess fuel ... | 04/05/1977 |
