Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7941090 | Interactive book reading system using RF scanning circuit An interactive book reading system (600) responsive to a human finger presence. The system (600) includes a radio frequency (RF) scanning circuit (675), a control circuit (610), a memory (615) and an audible output device (650 | 05/10/2011 |
| 7846028 | Lazer tag advanced Interactive methods and apparatus for infrared (IR) shooting games between participants are disclosed. The infrared transmitting and receiving toy has an interface display, switches, and an IR device for transmitting and receiving first or second data between partic... | 12/07/2010 |
| 7815485 | Pose and play dolls Pose and play dolls that will stand on a platform by magnetic attraction and dance with lifelike animation, but which may be removed from the stand for ordinary play. The dolls include animation powered from the platform through the legs of the doll. A motor in the ... | 10/19/2010 |
| 7766718 | Rotatable flexible disk toys In one embodiment of the invention, a spinning or rotatable flexible disk toy is disclosed. The spinning or rotatable flexible disk toy includes a hand-held housing, an electric motor, a switch, and a flexible disk. The electric motor is mounted in the hand-held hou... | 08/03/2010 |
| 7547109 | Photo-chromic material application apparatus In one embodiment of the invention, photo-chromic applicators are disclosed. The photo-chromic applicator may include a liquid photo-chromic material such as a photo-chromic ink or paint. The photo-chromic material is applied to a surface of a toy, a page, or other ... | 06/16/2009 |
| 7338375 | Integrated voice and data communication for laser tag systems An electronic toy gun for data and audible sound/voice communication. Audible sound/voice may be communicated over an infrared beam or a radio frequency signal while data is communication over an infrared beam. The toy laser tag gun includes an IR receiver, an IR tr... | 03/04/2008 |
| 7297044 | Method, apparatus, and system to synchronize processors in toys The invention generally relates to a method, apparatus, and system to synchronize timers or clocks of toys. A play-set includes a first toy having a first timer and a start button. The first toy can be designated as a master when the start button is depressed. After... | 11/20/2007 |
| 7246555 | Portable vacuum food storage system Portable Vacuum Food Storage System with a housing that contains a vacuum pump, an on off power switch, a vacuum pressure switch and a plurality of rechargeable DC batteries. The top of the housing has a gripping member help the user to twist and fasten the housing ... | 07/24/2007 |
| 7243053 | Method and apparatus for virtual control of operational scale models A virtual scale model operating environment for controlling operational scale models. The virtual scale model operating environment includes a virtual controller that provides simulated environmental parameters normally associated with real operation. The virtual co... | 07/10/2007 |
| D516502 | Rechargeable battery pack | 03/07/2006 |
| 6966125 | Automatic air movement for hair dryers An oscillating hair dryer nozzle assembly attaches to a hand held electric hair dryer. An oscillating nozzle is pivoted back and forth by forced air generated by an electric motorized fan within the hair dryer. A propeller receives the forced air and rotates a prope... | 11/22/2005 |
| 6937152 | Wireless interactive doll-houses and playsets therefor This invention allows for an electronic doll-house to be constructed at a reasonable cost that provides the ability to identify the location of a number of figures that a child may manipulate in a play space. By use of IR communications and the characteristics of su... | 08/30/2005 |
| 6923010 | Slush beverage maker A slush beverage maker is provided that is easy to assemble and disassemble, has few parts, and is easy to operate. The slush beverage maker has a mixing chamber for receiving ingredients to make a slush beverage. An auger is received within the mixing chamber to mi... | 08/02/2005 |
| 6893346 | System, method, and apparatus for bi-directional infrared communication An infrared (IR) communication device for audible sound communication over an infrared beam. The IR communication device includes an IR receiver, an IR transmitter, a speaker, and a microphone 210. The IR receiver receives the incoming IR beam. The IR transmi... | 05/17/2005 |
| 6860788 | Methods and apparatus for chocolate dispensers A system, method and apparatus for dispensing chocolate. Solid chocolate is heated to its melting point within a chamber in order to form a liquid chocolate that is viscous and can flow out an opening in a nozzle at one end when pressure is exerted at another end. T... | 03/01/2005 |
| 6783425 | Single wire automatically navigated vehicle systems and methods for toy applications Vehicle guidance and control systems that use the intensity of a field radiated from a source of radiation to define the track or lane for operation of the vehicles. The source of radiation used is a single source of radiation in the sense that vehicle position rela... | 08/31/2004 |
| 6777910 | Rechargeable battery packs Rechargeable battery packs include one or more key slots along a rear edge in order to distinguish it from other battery pack types and rectangular guide tabs to be backward compatible with former battery pack chargers and former battery operated devices. Battery pa... | 08/17/2004 |
| 6752238 | Water resistant audible toys with sound effects A water resistant audible toy, such as a toy water gun, includes a speaker having a water resistant speaker cone. The water resistant audible toy includes a switch to activate the speaker to generate sounds. The water resistant audible toy may further include a ligh... | 06/22/2004 |
| 6646414 | Rechargeable battery pack and battery pack charger with safety mechanisms Rechargeable battery packs include one or more key slots along a rear edge in order to distinguish it from other battery pack types and rectangular guide tabs to be backward compatible with former battery pack chargers and former battery operated devices.... | 11/11/2003 |
| 6547465 | Pencil with exposable eraser A pencil has a fixed non-replaceable eraser and a moveable sleeve. The fixed non-replaceable eraser is elongated to provide a larger eraser to pencil ratio in order to have more erase cycles per write cycles. The moveable sleeve can be moved to selectivel... | 04/15/2003 |
| 6489751 | Methods and apparatuses for rechargeable battery pack chargers A system, method and apparatus for charging rechargeable battery packs. A battery charger has a means to measure a voltage and a battery temperature and a means to determine a rate of increase in battery temperature of a rechargeable battery pack. The bat... | 12/03/2002 |
| 6412594 | Water gun with sound effects module A water gun includes a sound effects module. The water gun includes a trigger to squirt water. The trigger actuates a switch coupled to the sound effects module. The sound effects module has an interior volume with a speaker at one end. A speaker cover se... | 07/02/2002 |
| 6358145 | Broadcast sweepstakes game system and game piece device A television, radio, tape, videotape, computer (Internet), telephone, cellular telephone etc., activated sweepstakes game system employing at least one electronically activated game piece device among a large number of similarly dimensioned, configured, t... | 03/19/2002 |
| 6326766 | Rechargable battery pack and battery pack charger with safety mechanisms Rechargeable battery pack and battery pack charger mechanisms to assure safe charging. The rechargeable battery pack includes an opening to allow a temperature sensor to directly sense the temperature at a terminal case of a rechargeable battery cell, one... | 12/04/2001 |
| 6326767 | Rechargeable battery pack charging system with redundant safety systems A system, method and apparatus for charging rechargeable battery packs having redundant safety systems. A battery charger has a temperature sensor at a negative charging terminal for determining the charge condition of a rechargeable battery pack and cont... | 12/04/2001 |
