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 |
| 6932182 | Traveling car A traveling carriage equipped with a traveling means to travel on and along a surface of an object. A frame of the traveling carriage is composed of two divided frames to the right and to the left in the forward traveling direction, one frame having an arc-shaped sl... | 08/23/2005 |
| 5829370 | Rearward folding multi-row crop planter A folding multi-row crop planter having coupled thereto individual planter row units. The planter having an assisted hinge that allows the planter wings to be moved from an open field position to a closed travel position. Further, the multi-row crop plant... | 11/03/1998 |
