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"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 7302471 | Method for reducing the receipt of unsolicited bulk e-mail and providing anonymity to an email-user The amount of unsolicited bulk e-mail messages received by an e-mail user is reduced by providing the user with a temporary e-mail address and a permanent e-mail address. The temporary addresses are generated by a server on an ongoing basis. The current temporary ad... | 11/27/2007 |
| D532336 | Automobile | 11/21/2006 |
| D529237 | Bird snuggery | 09/26/2006 |
| D522423 | Deflector assembly for motorcycle | 06/06/2006 |
| D495849 | Early 1800's mailbox | 09/07/2004 |
| 6766766 | Pet care center with refrigerated automatic feeder A pet care center with refrigerated automatic feeder. A carousel type food tray is divided into a plurality of pie shaped containers, with an adjacent pair of containers made accessible to a pet, and the others maintained in a refrigerated condition in a refrigerate... | 07/27/2004 |
| 6760959 | Device for producing material having optically varying effects and method of producing the same A die and a method for forming a die to produce optically varying effects in a light reflective surface. A design generally formed as a plurality of parallel grooves of varying widths and depths are engraved in a soft metal foil adhered to a substrate. A hard metal ... | 07/13/2004 |
| 6739581 | Wire feeding guide for use with an electrical box A wire feeding guide for use in feeding wire through an electrical box and a conduit secured over a hole in the electrical box. The wire feeding guide includes a trough-like member, a support arrangement for supporting the trough-like member on an electrical box, an... | 05/25/2004 |
| 6715390 | Wood working machine For a woodworking machine having a horizontally disposed working table with a top planar surface and a saw blade transverse to the table, there is provided an elongated work-retainer fence having a planar facing disposed substantially perpendicular to the planar sur... | 04/06/2004 |
| 6397420 | Manual emergency tool assembly A manual emergency tool assembly including a pair of tools, each of which has an operating head and a handle. The handles are formed to be telescopically engaged with each other. A locking arrangement is provided to secure the handles to each other in a f... | 06/04/2002 |
| 6394405 | Continuously adjustable rescue strut A strut or strut system continuously adjustable in length for maintaining two bodies in a spaced relationship with respect to each other. Both the length of the strut and the locking of the strut at a desired length may be remotely controlled by pneumatic... | 05/28/2002 |
| 5001779 | Mounting arrangement for motorcycle stereo system A package and a method for making the package for mounting a sound system on a motorcycle, which is easily attached and detached from the motorcycle is disclosed. The components of the sound system are generally surrounded by a cushioning filler and enclo... | 03/19/1991 |
| 4543927 | Engine control circuit A control system for an internal combustion engine is described which allows the engine to be started and stopped while unloaded. The invention incorporates the mechanical linkage operated by a solenoid to control a valve at the interior of the engine and... | 10/01/1985 |
| 4506405 | Floor treating machine A floor treating machine adapted to operate as a floor scrubber and a floor polisher or buffer includes a main housing or support frame structure from which extends a brush housing assembly. The main housing contains a combined solution and recovery tank,... | 03/26/1985 |
| 4475147 | Adjustable wall wash reflector assembly for a recess mounted lighting fixture A "wall wash" assembly for use with a ceiling mounted, recessed lighting fixture comprising a reflector housing having an open end, includes a ring member dimensioned for receipt in the open end of the reflector housing. A concentric ring segment is mount... | 10/02/1984 |
| 4472018 | Fuse clip with enclosed wire connection A fuse clip comprises a U-shaped retaining member and a U-shaped clamp member. The retaining member has a base and spaced convex walls for supporting one end of a ferrule-type fuse, parallel slots being provided in the base. The clamp member has an end wa... | 09/18/1984 |
| 4450512 | Arrangement for mounting a thermal protective device in a recess mounted lighting fixture An arrangement for mounting a thermal protective device including a case in which there is mounted a temperature sensitive element, in a lighting fixture adapted for recessed mounting in a ceiling support surface, includes a receptacle dimensioned for rec... | 05/22/1984 |
| 4431369 | Governor control linkage assembly for overspeed protection of turbines during restarting A governor control linkage assembly to be connected between the governor and a valve to be controlled by the governor such as the inlet valve for a steam turbine upstream from a venturi type safety trip valve therein in one preferred form with Woodward T.... | 02/14/1984 |
| 4423336 | Electromechanically controlled automatic transfer switch and bypass switch assembly An electromechanically controlled switch assembly including an automatic, three position, removable, transfer switch and a three position, manually operated bypass switch assembly. Electromechanical controls are utilized to sense the position of both swit... | 12/27/1983 |
| 4419619 | Microprocessor controlled voltage regulating transformer A voltage regulating transformer utilizing a microprocessor and a versatile multipurpose set of hardware modules and software modules it is described. A standard tap changing mechanism is driven in response to an analog control signal to change the output... | 12/06/1983 |
| 4388603 | Current limiting fuse A current limiting fuse has a main fusible element and an auxiliary fusible element each helically wound over an insulative support member. Each end of the auxiliary element is connected to conductive metal clips or electrodes in which blocks of metal oxi... | 06/14/1983 |
| 4383236 | Heat limiters and method of manufacture A circuit interrupting device responsive to externally generated heat and method of manufacture of such device. The device includes a pair of spaced, coaxially aligned leads each entering a thermally conductive housing from an opposite end. The inserted e... | 05/10/1983 |
| 4379322 | Compound reflector for luminaire An outdoor luminaire having a reflector adapted to provide uniform illumination of a relatively large, generally level surface. The reflector is comprised of a pair of side segments and contiguous concave top and bottom segments surrounding a light center... | 04/05/1983 |
| 4378104 | Fluid-pressure-loaded seal for butterfly valves This disclosure relates to the construction of butterfly valves of the type used for controlling fluid flow and, more particularly, to a seal for use in sealing the periphery of the closure member of such valves. Further, the seal disclosed herein is load... | 03/29/1983 |
| 4369422 | Multiple element current limiting fuse A multiple element fuse has a pair of end bells with terminals for connection to spaced apart busbars of an external electrical circuit. A plurality of tube fuses are mechanically fastened and soldered at opposite ends thereof to the end bells. The tube f... | 01/18/1983 |
| 4367433 | Self ballasted lamp for automotive, aircraft runway, etc. lighting A tungsten filament lamp incorporates arc discharge electrodes for an arc discharge in a gas fill enclosed in the lamp envelope. The tungsten filament is utilized as a ballast resistance for the arc discharge. A method for mounting the filament and electr... | 01/04/1983 |
| 4363085 | Scan synthesized beam headlamp A vehicle headlamp is provided wherein one or more reflectors scan a collimated beam of light to generate a desired light beam pattern and project it to the road. Electrical and mechanical driver means are also provided to change the mode of operation of ... | 12/07/1982 |
| 4360861 | Baseless lamp socket The invention relates to a socket for a baseless cartridge lamp, particularly a two-filament cartridge lamp or a cartridge halogen lamp with contacts at opposite ends thereof.... | 11/23/1982 |
| 4356365 | Air operated DC switch An air-operated switching device includes first and second spaced supports on which an armature is mounted. The armature includes a resilient blade fixedly mounted at a first end on the first support and for sliding movement with respect to the second sup... | 10/26/1982 |
| 4349804 | Fuse assembly for a miniature plug-in fuse A fuse assembly for a miniature plug-in fuse is provided with a pair of parallel spaced-apart conductive legs, each having plug-in members at one end. A fuse link of generally constant cross sectional area, integrally formed with the conductive legs, exte... | 09/14/1982 |
| 4337645 | Lamp pressure checking device The invention relates to a method and apparatus for checking the internal pressure of a filled lamp bulb. According to the invention, a filled bulb to be checked is inserted into a gas tight chamber; the chamber is then sealed and pressurized. The lamp en... | 07/06/1982 |
| 4336490 | Voltage sensing apparatus for a voltage regulating transformer An automatic voltage regulating transformer is provided which incorporates a potential transformer electrically disposed across its series windings, and a set of sensing windings disposed across its shunt windings to provide a voltage sensing network whic... | 06/22/1982 |
| 4325734 | Method and apparatus for forming compact bodies from conductive and non-conductive powders Compact bodies for use as contacts in vacuum current interrupters, plasma devices and the like are formed by a vacuum hot press fabrication of suitable powder material. The contacts which may be formed as a button or ring, are operable under high current ... | 04/20/1982 |
| 4312667 | Method of forming large, minimal grain copper billet A recrystallized copper billet in excess of one and one-half inches in diameter is formed as an essentially single-grain or crystal copper. A high conductivity, oxygen-free copper billet is subjected to mechanical surface cleaning and to a "bright dip" ba... | 01/26/1982 |
| 4308420 | Electrical apparatus with convectively cooled bushing connector A conductive bushing connector includes an elongated metal stud having a center axial passage, a plurality of transverse apertures, and threaded portions at each end. A pair of insulative housings assembled on opposite sides of a transformer enclosure eac... | 12/29/1981 |
| 4302798 | Pan for ceiling mounted light fixture A pan for a ceiling mounted light fixture includes a saucer-like canopy defining a mounting hole for receipt of a fastener to secure the light fixture to a ceiling support surface. A first layer of insulative material is received between the canopy and th... | 11/24/1981 |
| 4234526 | Evaporative cooler An evaporative cooler having a one-piece, frameless shell secured to a bottom pan and having a top cover hinged along one edge to the side wall of the housing shell. A quick-release latching mechanism secures the top cover to the opposite side wall to hol... | 11/18/1980 |
| 4232361 | Adjustable light fixture An adjustable light fixture recessible in a ceiling for directing light at various angles includes a housing with a lamp assembly mounted therein. The lamp assembly comprises a reflector having a conventional bulb socket attached pivotally to a plate havi... | 11/04/1980 |
| 4226325 | Conveyor lubricating and washing apparatus Apparatus for continuously lubricating a conveyor belt with a mixture of water and soap or detergent during normal operation and for washing the conveyor belt during a preselected time interval after normal operation has ceased. Solenoid valves are interp... | 10/07/1980 |
| 4216372 | Toaster chassis assembly A toaster chassis assembly for supporting heating element cards in an upstanding position in parallel relation, to define a bread-receiving slot therebetween, includes a horizontal base and end walls extending vertically upwardly from opposite ends of the... | 08/05/1980 |
