William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7342360 | Flashlight A handheld flashlight includes a head that pivots relative to a body. Three legs pivotally connect to the body and open into a tripod to support the head in an elevated position. The legs are spring-biased toward the open tripod position and are selectively held clo... | 03/11/2008 |
| 7318654 | Headset incorporating an integral light A headset with a light incorporated within is disclosed. A representative embodiment of the invention may be construed as an aviation-style headset that includes a first earcup and a second earcup each comprising active noise reduction (ANR) circuitry, a headband in... | 01/15/2008 |
| 6929381 | Solar powered electric candle The electric candle light has an elongated shaft that appears as the stick of a wax candle. A light source is disposed at the top end of the elongated shaft. A photoelectric cell is disposed around the top end of the elongated shaft below the light source. A recharg... | 08/16/2005 |
| 6893142 | Electrical switch and method An electrical switch is provided which includes a pair of electrical leads, a first structural support member, and a second structural support member. The first structural support member is electrically conductive and is configured to support one mating terminal com... | 05/17/2005 |
| 6874907 | USB-chargeable emergency light structure A USB-chargeable emergency light structure has a light base, a charging/outputting circuit unit, a connector and a charging socket. The light base defines an accommodating space therein for receiving the charging/outputting circuit unit that has a plurality of light... | 04/05/2005 |
| 6866400 | Flashlight equipped with low wattage arc lamp A hand-held flashlight comprising a metal halide arc lamp operating between 8 and 22 watts. The lamp has an arc gap of between 0.7 and 1.4 mm and a color temperature at or above 5000° Kelvin. The lamp contains a fill gas including mercury and indium in percentages ... | 03/15/2005 |
| 6814472 | Computer expansion slot cover based illumination device A utility light for the illumination of the interior of the case of a CPU of a personal computer includes a bracket having the general geometry of an expansion slot cover bracket; batteries inclusive of a housing secured to one surface of the bracket; a flexible lam... | 11/09/2004 |
| 6695459 | Portable lighting product, portable lighting product circuitry, and method for switching portable lighting product circuitry A portable lighting product includes a lamp and a lamp holder. The lamp holder has a positive terminal and a negative terminal spaced from the positive terminal for connection with respective terminals on a power source. One of the terminals includes a sn... | 02/24/2004 |
| 6626555 | Portable illumination device A portable illumination device for illuminating a target zone includes an outer frame having illumination means disposed at least partially therein, and attachment means for removably attaching the illumination device through desired objects, with the att... | 09/30/2003 |
| 6533435 | Micro light beacon A a portable light which has an enclosure, a battery, a light emitting diode and a mounting for the light. The light can be mounted in a variety of locations and the diode can be easily turned on and off.... | 03/18/2003 |
| 6511202 | Light emitting diode 9-volt battery snap flashlight A high-low light-emitting diode glow-in-the-dark flashlight. The flashlight includes an end cap assembly that snaps onto the top of a 9-volt battery. The battery functions as both a power source and a handle. The end cap assembly includes a highly efficie... | 01/28/2003 |
| 6288498 | Structure of flickering decoration light A structure of flickering decoration light is assembled by a light base and a pressing cover. The flickering circuit is switched by the electricity-conducting portion of an electric circuit plate provided in the interior of the pressing cover. The upper i... | 09/11/2001 |
| 6145999 | Battery device A battery device comprising a battery, which comprises a first battery contact and a second battery contact, each contact located on an upper surface of the battery. A connection means functions to releasably attach to the first battery contact and second... | 11/14/2000 |
| 5727868 | Wall mounted battery operated, fluorescent illuminating device A framed picture illuminating device for mounting on the wall above the picture. The device utilizes a fluorescent light tube to produce uniform lighting and is powered by batteries which eliminates the requirement of electrical outlets and the spectacle ... | 03/17/1998 |
| 5515248 | Thin adhesively attached key light device A thin, disposable key light device that is adhesively attachable to the head of a key includes a light emitting diode, a disk battery, an insulative annular spacer, and an adhesive disk. A lead of the light emitting diode extends over a hole in the annul... | 05/07/1996 |
| 5412547 | Illuminatable rechargeable display device A lightable display device including a base, a handle including a light source for illuminating the display device, a rechargeable battery coupled to the light source for energizing the light source, and means for effecting the recharging of the rechargea... | 05/02/1995 |