...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 |
| 7278178 | Tub filler and overflow combination device A tub filler and overflow combination device is supported within a common opening formed in a tub wall. Both a flow passage and a drain passage extend through the body of the device to communicate through the common opening in the tub wall. A backflow preventer of t... | 10/09/2007 |
| 6895610 | Portable bathtub water-level control device An overflow protected portable bathtub water level control device comprising a main housing having two separate cavities, a flexible suction gasket, an internal float and valve mechanism with an optional temperature gauge for providing a bathtub bather with deeper b... | 05/24/2005 |
| 6421848 | Cascade bath spout apparatus There is provided a new and useful bath spout apparatus for a bath having a water inlet supply pipe and a water outlet overflow opening. The apparatus comprises a body, a water inlet to be connected to the water inlet supply pipe and a spout in fluid conn... | 07/23/2002 |
| 6219858 | Cascade bath spout apparatus There is provided a new and useful bath spout apparatus for a bath having a water inlet supply pipe and a water outlet overflow opening. The apparatus comprises a body, a water inlet to be connected to the water inlet supply pipe and a spout in fluid conn... | 04/24/2001 |
| 4563780 | Automated bathroom An automatic computer controlled bathroom includes a shower, bathtub, sink and toilet which can all be electronically controlled. The sink and shower include water temperature sensors and valves which direct the water to the drain if it is outside of a pr... | 01/14/1986 |