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 |
| 7239520 | Self-locking fastener adapted to secure a heat sink to a frame An assembly comprises a frame configured to mount an electronic device and assemble to a heat sink. The assembly further comprises at least one self-locking fastener adapted to lock into place and secure the heat sink to the frame on aligned compression of the heat ... | 07/03/2007 |
| 7111764 | Clamp assembly for securing a ladder to a vehicle rack A clamp assembly secures a first article to a second article. The clamp assembly includes first and second spaced-apart article holders adapted for engaging respective first and second articles. An elongated gear rack interconnects the first and second article holde... | 09/26/2006 |
| 7036780 | Rock-climbing machinery A rock-climbing device that safely aids climbers during a climb is described. The rock-climbing device has two carabiners attached to a band which runs through a hollow tube. The climber is able to manually extend the tube over his or her head to an out of reach fix... | 05/02/2006 |
| 6928766 | Automatic outrigger lock An automatic outrigger securing assembly, for use on a fishing boat which has structural support members on the vessel. The securing assembly includes a coupler for releasably securing the outrigger in a fixed position, as well as a collar assembly for interfacing w... | 08/16/2005 |
| 5586005 | Removable heat sink assembly for a chip package The invention employs a post type fastening member that provides, at one end, an insertion friction connection to the circuit card and at the other end, extending through the heat sink, a compression spring means that urges the heat sink toward the circui... | 12/17/1996 |
| 5154258 | Lockable ladder securing bracket A ladder sitting on a rack is secured in position by a spring loaded pivoting arm which engages a ladder rung and is secured in position. The pivoting arm is mounted in a housing which is attached to the rack. The pivoting arm is locked into place to prev... | 10/13/1992 |
| 4417635 | Rapid fixing device consisting of a spring unit An arrangement for mounting a cooling system radiator in the engine compartment of an automobile vehicle, the radiator including a base portion and a top portion and the engine compartment including a beam structure having a horizontal bottom beam member ... | 11/29/1983 |
| 4171803 | Karate practice breaking board A device for the practice of the martial art of karate, simulating a board to be broken and comprising a pair of clamp members adapted to simulate the shape of the board to be broken; the clamps are adapted to hold pieces of material of varying strength t... | 10/23/1979 |
| 4062289 | Mounting bracket A powerhead mounting bracket is connected to a diver's breathing tank support. A cord connected to the receiver has a plug with a projection for loosely fitting in an axial bore of the powerhead. The plug is placed in the axial bore and the powerhead shaf... | 12/13/1977 |
| 4019752 | Wheelchair restraint device A restraint device which can be quickly and easily installed in a vehicle to restrain wheelchairs from moving in any direction. A base of the device bolts to the floor of a vehicle used to transport the physically handicapped. A pair of vertically incline... | 04/26/1977 |
