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 |
| 5269552 | Bicycle frame composition A bicycle frame having shock absorbing characteristics. The bicycle frame generally comprises a head tube and a seat tube having an elongate crossbar rigidly attached thereto and extending therebetween. Rigidly attached to and extending between the seat t... | 12/14/1993 |
| 5259637 | Bicycle rear suspension A bicycle rear suspension linkage system comprising an elongate seat tube having an upper pivot mount rigidly attached to the upper end thereof and an axle receiving bracket rigidly attached to the lower end thereof. An upper rocker is pivotally connected... | 11/09/1993 |
| 5244224 | Rocker arm rear suspension bicycle A bicycle frame having shock absorbing characteristics. The bicycle frame includes an elongate down tube and seat tube having a crossbar rigidly attached thereto and extending therebetween. Pivotally connected to a bottom bracket axle attached to the lowe... | 09/14/1993 |
