...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 |
| 5527590 | Lattice block material Disclosed is a structural material having a wire lattice configuration. The structural material can manufactured by first weaving a continuous wire filament on a loom assembly. Once woven into arrays of parallel wires, the filament is fixed in position an... | 06/18/1996 |
| 5471712 | Adjustable screen for a distribution for making a sheet-formed fibrous product An apparatus for making a sheet formed fiber product includes at least one fiber distributor (1) having a substantially planar bottom (7) in the form of a wire net, with openings approximately formed as parallelograms; an endless forming wire (2) having a... | 12/05/1995 |
| 5190080 | Protective netting and processes and apparatus for the production thereof In a protective netting comprising a plurality of cables disposed in mutually crossed relationship, the two cables are fixedly connected together at the intersection thereof by connecting wires which are wound in a crossed arrangement around the intersect... | 03/02/1993 |
| 5029779 | Welded netting with deformed stretching wires This invention relates to a sheet-shaped welded netting of metal at least comprising mesh-forming wires extending longitudinally of the sheet and/or mesh-forming wires extending transversely of the sheet as well as several deformed stretching wires extend... | 07/09/1991 |
| 4682637 | Linear weaving machine A high-speed wire fence weaving apparatus for making wire mesh fencing. The apparatus provides a first stage where a high-speed transfer mechanism moves large spools of wrap wire in a weaving pattern about a plurality of strand wires. The strand wires and... | 07/28/1987 |
| 4121629 | Multispot welding machine A multispot welding machine for producing a mesh web from arrays of wire running skew to the longitudinal direction of the web and crossing one another has two endless circulating feeders which carry deflector-pins and each of which has a working run defi... | 10/24/1978 |