Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 7906763 | Multiband infrared imaging device A multiband infrared imaging intensifier device which includes an infrared radiation transmitting lens, for transmitting infrared radiation from an object scene onto a quantum ferroelectric copolymer detector with a chopper between them, with the detector responsive... | 03/15/2011 |
| 7503681 | Optical fiber combinations Optical fiber combinations, connected to a lighter than air balloon, which includes a tether having one or more lengths of optical fibers, and can include a string, which optical fibers have an outer protective jacket or cladding to prevent light from escaping there... | 03/17/2009 |
| 7434755 | Meat shredder apparatus Apparatus for shredding or pulling pieces of meat, which includes a feed hopper carried on a body, a removable shredder roller assembly in the body for shredding the meat, which includes a shredder roller, and a backer plate, which can be adjusted to vary the textur... | 10/14/2008 |
| 7408158 | Gas sensor apparatus A gas sensor apparatus for detecting the presence of selected or target gases which has a Quantum Ferroelectric Copolymer sensing element, which is bombarded with infrared radiation and in the presence of a target gas provides an electrical output dependent upon the... | 08/05/2008 |
| 7399554 | Hybrid rechargeable battery having high power and high energy density lithium cells A hybrid rechargeable lithium battery, which includes a plurality of high power rechargeable cells, having nano-particles therein, and high energy density rechargeable cells, with the high energy cells recharging the high power cells. The battery preferably includes... | 07/15/2008 |
| D557442 | Lighting fixture | 12/11/2007 |
| 7209936 | Frequency locked digitally tuned oscillator synthesizer A synthesizer is disclosed and is digitally tuned and locked in a measured frequency. The synthesizer uses both the dual voltage control oscillator, each operating over less than an octave, in combination with the microwave doublers to produce a multi-octave RF outp... | 04/24/2007 |
| 7131147 | Pleated skirt A pleated skirt is disclosed which includes a waistband assembly having a rear segment and two front segments, and a composite pleated skirt assembly having front, side, and rear pleats attached to the waistband assembly, an adjustable pleat at each side of the skir... | 11/07/2006 |
| D526680 | Console with internal printer mounting slide out tray | 08/15/2006 |
| 7049615 | Portable ultraviolet water purifier A portable ultraviolet water purifier is disclosed which has an outer housing defining a water chamber with a coupling for attachment to a faucet an inlet and an outlet with an ultraviolet light source therein. ... | 05/23/2006 |
| D521198 | Pool skimmer | 05/16/2006 |
| 7004657 | Single use applicator for applying viscous fluids A single use applicator for dispensing and applying a thin layer of viscous fluid, comprising an outer body of chemically inert deformable material open at one end, a crushable glass ampoule therein containing fluid to be dispensed and applied, and an application el... | 02/28/2006 |
| D514513 | Emergency battery back-up generator | 02/07/2006 |
| D504775 | Single use applicator with control valve | 05/10/2005 |
| D501825 | Battery terminal protector | 02/15/2005 |
| 6790014 | Fluid cooled diaphragms for diaphragm compressors Fluid cooled diaphragms for diaphragm compressors are provided which utilize a multi-layer diaphragm with an upper or gas contacting later, and a bottom or lower layer, which has cooling grooves through which cooling fluid is circulated to reduce the diaphragm tempe... | 09/14/2004 |
| D495843 | Applicator pad | 09/07/2004 |
| D495118 | Strap with reflective strip | 08/31/2004 |
| 6755586 | Liquid applicator with slide ring activator tool An applicator for dispensing liquids including an outer tube (11) with at least one layer (39) of impervious plastic thereon, which has a crushable ampoule (20) therein containing the liquid to be dispensed. The outer tube is closed at one end a... | 06/29/2004 |
| 6727840 | Interference suppression circuit and method thereof for multi-channel receivers The Electronic Support Measure (ESM) system is disclosed having various embodiments all of which reduce or even eliminate the detrimental effects caused by interference signals commonly generated by CW emitters. ... | 04/27/2004 |
| 6712489 | Portable outdoor lighting fixture A portable outdoor lighting fixture which includes a base with a post extending vertically therefrom with a telescoping tube therein with a compression nut to lock the tube at the desired height, with a flexible arm connecting the tube to a switchable shade assembly... | 03/30/2004 |
| 6641446 | Rescue sled A rescue sled for picking up victims of water or ice accidents and transporting them to safety, which sled can be carried in the back of an ambulance or other vehicle.... | 11/04/2003 |
| 6639476 | Correlator stabilized digitally tuned oscillator synthesizer A digitally tuned oscillator synthesizer having a correlator circuit and selectable voltage controlled oscillators is disclosed. The correlator circuit develops an accurate output which provides frequency stability for the synthesizer, whereas the voltage... | 10/28/2003 |
| 6634668 | Collapsible display cart A collapsible display cart for storing, transporting and displaying merchandise which has a base with shelves for holding merchandise, which can be raised and extended, at least one pair of wheels for moving the cart and a canopy for covering the base in ... | 10/21/2003 |
| 6601680 | Carrying case A carrying case for storing and carrying items of high value and/or potentially dangerous items such as firearms, which has an improved, latching mechanism and a reinforced case construction.... | 08/05/2003 |
| 6588666 | Apparatus for opening and dispensing plastic bags Apparatus for opening and dispensing plastic bags which includes an outer cabinet with a continuous roll of plastic bags fed therethrough, with seal lines and perforation lines between the bags, and bar codes thereon, which bags may be dispensed by the us... | 07/08/2003 |
| 6510940 | Vacuum assisted walking beam apparatus A vacuum assisted multiple position walking beam apparatus (10), which has products (20) placed thereon.... | 01/28/2003 |
| 6451475 | Front access interlocking modular cell tray assembly Front access interlocking modular cell tray assembly having a base and a plurality of stacked cell trays thereon, having battery cell receiving areas, and each cell tray having front and rear interlocking structure on the top and bottom to engage with com... | 09/17/2002 |
| 6394848 | Safety enhancement device combination for electrical apparatus or appliances An enhanced safety device combination for electrical apparatus or appliances which includes a thermal responsive cut-off in the apparatus, and a non-replaceable fuse in the electrical cordset plug.... | 05/28/2002 |
| 6367115 | White board eraser An eraser for removal of dry ink dust and for conditioning of white boards, which includes a stack of fabric layers which may be treated with cleaning and anti-static compounds. The fabric layers are of semi-rectangular shape which wrap around a jacket co... | 04/09/2002 |
| 6353959 | Toothbrush A toothbrush that is suitable for an individual to use to brush the teeth and gums of another, and which is also suitable to brush his or her own teeth and gums. The toothbrush includes a cylindrical handle with an attached neck, and an oval shaped bristl... | 03/12/2002 |
| 6336793 | Combination floor and wall mount pivoting fan A combination floor and wall mount pivoting fan which can be placed on a floor or other supporting surface, and also hung from at least a bracket on a wall, with a base on the fan engaging hooks on the bracket which is attached to the wall.... | 01/08/2002 |
| 6309192 | Insulated box fan An insulated box fan, which includes an outer metal housing with two vertical metal brackets to which a plastic isolator ring is attached, and which ring is also attached to the fan motor, to electrically insulate it from the fan housing, and to direct ad... | 10/30/2001 |
| 6295682 | Rideable cleaning appliance A rideable carpet cleaning system in which the assembly that is ridden is releasably attached to a power bonnet assembly to facilitate storage cleaning and repair. The system is battery operated and includes a forward mounted steering assembly. The bonnet... | 10/02/2001 |
| 6254297 | Marker pen devices Marker pen devices for dispensing moisture sensitive or volatile liquids, which include an outer tube open at one end, of rigid plastic or aluminum with a sealed glass ampoule inside the tube which has liquid therein to be dispensed which may contain a me... | 07/03/2001 |
| 6250630 | Electronically actuated turning device for transport apparatus An electronically actuated turning device for transport apparatus, which apparatus use endless belts for transport, which detects the presence of products being transported such as paper folders, activates a solenoid to cause an upper swivel ball to conta... | 06/26/2001 |
| 6241478 | Combined air moving product illuminated panel and device A combined air moving product illuminated panel and device which has a base and a housing, which housing contains a motor and blades for moving air, which product has a device mounted in the housing, with an electroluminescent panel mounted behind and in ... | 06/05/2001 |
| 6232016 | Battery terminal for lead acid battery Battery terminals for side attachment lead acid batteries, which includes a metallic connector terminal encased or not encased in the battery top cover, which terminal receives an upstanding post from the battery cells, which post is joined to the connect... | 05/15/2001 |
| 6203276 | Illuminated controls for air moving products Illuminated controls for use with air moving products such as fans and humidifiers wherein the controls for motor speed, temperature, or humidity are illuminated by an electroluminescent panel to show the location and settings.... | 03/20/2001 |
| 6190696 | Stabilized thyroxine medications Thyroxine medications which include combinations of levothyroxine, and/or liothronine, or dextrothyroxine, or thyroid, and one or more iodine salts, or iodine donor compounds are described, which produce a stable thyroxine medication, with a long shelf li... | 02/20/2001 |
