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 |
| 7186183 | Mounting system for a swing A mounting system for mounting a swing to a support beam includes a first bracket member coupled to the support beam, a second bracket member coupled to the support beam opposite the first bracket member, a first swing hanger directly connected to the first bracket ... | 03/06/2007 |
| 7008330 | Rope swing handle bar apparatus and system A rope swing handle bar apparatus and system. The apparatus is centered on a cylindrical body through which a rope fits. The rope can generally be tied to a fixed object such as a tree branch. The handle bar typically includes handles having grips. The handles gener... | 03/07/2006 |
| 6929553 | Wheelchair glider A wheelchair glider is provided having a frame assembly and a platform swingingly suspended substantially horizontally within the frame assembly by a swing arm assembly, the platform being configured to support at least one wheelchair thereon, including wheelchairs ... | 08/16/2005 |
| 5707295 | Swing A swing having a stationary support member to which is pivotally attached to first and second arms. The first and second arms are in turn pivotally attached by connectors on side wings that extend from a base member. The base member has an arcuate surface... | 01/13/1998 |
| 5449323 | Multi-axis swing A multi-axis swing is provided, which consists of a seat that is sat upon by a person. A structure is for suspending the seat from above, so that the person may swing back and forth in an arc. A first mechanism operable by the person in the seat is for pe... | 09/12/1995 |
