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 |
| 4528859 | Pointer sliding mechanism for use in pushbutton tuner In a pointer sliding mechanism intended for use in a pushbutton tuner, there is fixed on the base plate of the tuner a pair of pivots, right and left, on which right and left links are pivotably mounted at the front ends thereof; a pointer mount-plate is ... | 07/16/1985 |
