...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 |
| 7806071 | Bicycle bell in the vicinity of brake lever A bicycle bell includes a housing mounted on a handlebar and comprising a channel and an upward extending flange partially surrounding a top of the channel; a guide member secured to the housing; a drum secured to and covered the guide member; and a spring biased st... | 10/05/2010 |
| 7225753 | Bell device A bell device includes a housing having two housing members secured together, and one or more peripherals rib extended into an opening of the housing, a securing device includes a shank engaged in the opening of the housing, and includes a peripheral flange extended... | 06/05/2007 |
| 7220904 | Bell and clapper for bells A clapper for a bell is hollow on the inside for receiving objects, such as a personal dedication. The clapper may also be provided with a coating for damping the volume of the bell strike, or at least change the sound. ... | 05/22/2007 |
| 7182039 | Striker mechanism for bell unit A striker mechanism 21 which clangs a bell 21 is made up of a support member 31 which projects radially outward of the bell, a striker 41 pivotably mounted on the support member so as to be rockable in a direction toward and away from the... | 02/27/2007 |
| 6739282 | Bell assembly having actuatable clapper A bell device includes a securing device attached to a bell member, a seat rotatably secured to the securing device with a shaft and rotatable relative to the securing device about the shaft, and a resilient member having one end secured to the seat and a clapper se... | 05/25/2004 |
| 6125785 | Bell assembly A bell assembly in which the bell is mounted on a plastic base by means of a plastic collar snap-fitted into aligned holes in the bell and the bell mounting element of the base. The collar is formed with an axial bore for receiving a plastic manually depr... | 10/03/2000 |
| 5550319 | Decorative display and ornament therefor A display, such as a Christmas display, comprises a plurality of ornaments (14), each including a striker (18), a pair of bells (26, 27) disposed in spaced relation from the striker (18) and a means (46) responsive to an electrical signal from a control u... | 08/27/1996 |
| 4977850 | Signal apparatus A signal apparatus comprising a post-mountable arm adapted at one end to be mounted on a vertical stand post and having provided at the other end thereof a bell adapted to be struck by a counter-weight mounted on one end of a balance beam when blood reach... | 12/18/1990 |
| 4677892 | Electrical actuator for percussion instruments An improved striker mechanism for percussion instruments such as chimes, bells, drums, and the like, is disclosed. A clapper is mounted on an armature for motion between a rest position and an impact position. A solenoid-permanent magnet set is provided t... | 07/07/1987 |
| 3960105 | Sound making system Energy is slowly stored in at least two spring members mounted juxtaposition one another, the stored energy being released substantially instantaneously and individually, a single member engaging a striker first, the striker then engaging an alarm device ... | 06/01/1976 |
| 3945340 | Device for striking a bell A device for striking a bell comprises a hammer head having a head portion composed of hard material and another head portion composed of soft material to obtain both hard and soft sounding bell rings. The hammer head is connected to a rockable striking h... | 03/23/1976 |