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 |
| 5751127 | Magnet brake A magnet brake is disclosed. The magnet brake may consist of a stationary magnet assembly and a rotating magnet assembly. The opposing poles on the magnet assemblies have a mutual attraction that biases the assemblies into alignment with each other. The m... | 05/12/1998 |
| 5743626 | Lighting system The present invention is a unique lighting system. The lighting system includes a unique mount and mounting system, a unique lampholder and a unique power conditioning circuit arrangement.... | 04/28/1998 |
| 5731665 | Power regulator for fluorescent lamp A circuit arrangement controls power to a fluorescent lamp rather than controlling current. Since light output is proportional to power, flicker control is improved and lamp life is extended.... | 03/24/1998 |
| 5727863 | Aircraft wing inspection light system An aircraft wing inspection light system used to illuminate an aircraft's wing to permit ice detection from inside the cabin. The aircraft wing inspection light system utilizes an arc lamp to provide enough light for the power available. In addition to th... | 03/17/1998 |
| 5695272 | Search light for aircraft and other vehicles A light assembly is described which includes connection to a mode switch capable of instantaneously switching the light source from a visible light source to an infrared light source and vice versa without the need for physically changing filters or lamp ... | 12/09/1997 |
| 5690207 | Windshield wiper clutch assembly A clutch mechanism for use in a windshield wiper system having a park eccentric, the clutch incorporates a unidirectional sprag clutch bearing and a torsional return spring to provide the clutch function.... | 11/25/1997 |
| 5636919 | Lighting system The present invention is a unique lighting system. The lighting system includes a unique mount and mounting system, a unique lampholder and a unique power conditioning circuit arrangement.... | 06/10/1997 |
| 5629571 | Thyristor load detector A method is described in which load current present in a thyristor device may be detected by monitoring the characteristic voltage found on the gate of the thyristor. Load status information may be used in various ways such as, to turn off the output, to ... | 05/13/1997 |
| 5560707 | Tamper resistant connector assembly The present invention provides a connector that is tamper resistant, yet does not require the use of tools. In one embodiment, a bezel retainer is designed to snap and lock into a lamp housing assembly by using tabs on the bezel retainer that lock into sl... | 10/01/1996 |
| 5355131 | Aircraft landing light A landing light is provided for mounting on an aircraft. Electronic control devices actuate drive elements to pivot a lamphead over a range of operational positions. The electronic control device having a magnetic switch array actuated by magnets connecte... | 10/11/1994 |
| 5222801 | Aircraft reading light A reading light, disclosed in the context of an aircraft reading light, includes a lamp which is normally selectively aimable by swiveling a mounting assembly relative to a stationary base held in a panel. A rotatable two-positioned means, such as a ring,... | 06/29/1993 |
