In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 8095496 | Generic AI architecture for a multi-agent system The invention relates to architecture of a computer program in order to implement a multi-agent system. The architecture enables the agents to interact with a simulation or game world on a first plane and/or with robots in the real world. Said architecture has a sec... | 01/10/2012 |
| 8021128 | Fluid pump and motor unit A pump powered partly by a mechanical drive and partly by a pressurized fluid flow and comprised of one or more piston-in-cylinder assemblies in which one face of each piston provides a pumping action while a pressurized driving fluid flow is applied to the opposite... | 09/20/2011 |
| 7874065 | Process for making a multilayer circuit board A process for making a multi-layered circuit board having electrical current traces includes providing a substrate having a 1st layer of conductive material to form a ground plane, plurality of metallic 1st traces on a 2nd side of th... | 01/25/2011 |
| 7791825 | Macro objective A description is given of a macro objective (M) with a corrective compensation of aberrations (Continuous Aberration Suppression; CAS). The macro objective has a first positive optical subassembly (A), a second nearly afocal optical subassembly (B), a stop (APE), a ... | 09/07/2010 |
| 7787247 | Circuit board apparatus with induced air flow for heat dissipation A cooling mechanism to dissipate thermal energy generated by the heat generating components of a graphics card assembly. An apparatus includes a circuit board having at least one heat generating component affixed thereto. The apparatus also includes a fan and carrie... | 08/31/2010 |
| 7773883 | Single-fiber optical ring networks based on optical double sideband modulation Systems, apparatus and methods for implementing single-fiber optical ring networks based on double side band modulation. ... | 08/10/2010 |
| 7637071 | Multiple leg concrete anchor An anchor having multiple legs for a concrete wall. The anchor has an interface plate with two sides. Disposed on a first side is a stud that is connectable to a bracket. Disposed on the second side of the interface plate are at least two legs. Each of the legs is i... | 12/29/2009 |
| 7629804 | Probe head assembly for use in testing multiple wafer die A wafer probe head assembly for providing signal paths between an integrated circuit (IC) tester and input/output, power and ground pads on the surfaces of ICs formed on a wafer to be tested includes an adapter board and a probe card assembly including a space trans... | 12/08/2009 |
| 7593188 | Low protrusion compensation air bearing Magnetic head sliders having air-bearing surfaces designed to reduce the protrusion compensation effect. The magnetic head slider includes: at least one front pad located an upstream portion of the slider and operative to generate a lifting force; and a rear pad tha... | 09/22/2009 |
| D599803 | Computer monitor base | 09/08/2009 |
| D589959 | Dual display monitor | 04/07/2009 |
| D589958 | Dual display monitor | 04/07/2009 |
| D589511 | Dual display monitor | 03/31/2009 |
| D587711 | Dual display monitor | 03/03/2009 |
| D587710 | Dual display monitor | 03/03/2009 |
| D585061 | Dongle | 01/20/2009 |
| D585060 | Dongle | 01/20/2009 |
| 6932914 | Method and apparatus for the controlled formation of cavitation bubbles using target bubbles The present invention discloses a method and apparatus for the directed formation of a re-entrant micro-jet formed upon the collapse of a working cavitation bubble formed proximate to a work surface. A target bubble, formed between the work surface and the working c... | 08/23/2005 |
| D498201 | Vertical takeoff and landing aircraft | 11/09/2004 |
| 6808140 | Vertical take-off and landing vehicles A VTOL vehicle including a fuselage with two foldable wings, two tiltable nacelles attached to the wings, a vertical stabilizer, a horizontal stabilizer, and two auxiliary thrusters. Each nacelle contains a system of vanes located at the rear opening thereof, and ac... | 10/26/2004 |
| 6725487 | Portable ramp and load support assembly A portable ramp and load support assembly including a pair of rigid, elongated, first and second ramp components hinged together at adjoining ends by a simple pivot pin. The apparatus is made of light-weight, injection molded plastic material, and is provided with a... | 04/27/2004 |
| 6711624 | Process of dynamically loading driver interface modules for exchanging data between disparate data hosts A data exchange process is implemented by a computer system coupled for communication with a remote index server via a network. The process provides for transfer of a data block from a source host having an internal source data format, to a destination host having a... | 03/23/2004 |
| 6695654 | Retractable rudder system for water jet pump vessels The invention discloses a retractable rudder device attached to the water jet nozzle of a watercraft. In a non-deployed condition, the rudders are latched in position and completely out of the water stream underneath the craft. When deployed, two rudders ... | 02/24/2004 |
| 6671177 | Graphics card apparatus with improved heat dissipation Graphics card apparatus with improved heat dissipation and including a planar metallic cover plate having an external perimeter configuration that generally corresponds to the plan-form of the printed circuit board used in the graphics card assembly, a pl... | 12/30/2003 |
| 6241607 | Non-rectangular and/or non-orthogonal arrangement of gambling elements in a gaming apparatus An improved multiple payline gaming method and apparatus wherein a multiplicity of independently driven symbol carrying elements are arranged in a non-orthogonal and/or non-rectangular array and are combined with a plurality of individually selectable pay... | 06/05/2001 |
| 6239808 | Method and apparatus for determining texture values of graphical images In a computer display system, a method for mapping textures to three dimensional surfaces divided into a one or more polygons including the steps of determining pixels to be utilized in describing a polygon, selecting a texture map having a scale chosen t... | 05/29/2001 |
| 6164942 | Rotary engine having enhanced charge cooling and lubrication A charge cooled rotary engine includes a housing, a first end plate, and a second end plate. The housing and end plates combine too define a closed chamber. A rotor disposed within the housing includes three flanks, a cylindrical hub, and a web extending ... | 12/26/2000 |
| 6140932 | Pictorially adorned drinking container having integral audio playback Pictorially adorned drinking container (10) having integral audio playback, including a two-part structure with an upper part forming a drinking cup (12) and a lower or base part forming a chamber (16) for containing electronically recorded data (38) and ... | 10/31/2000 |
| 6134129 | Current sharing signal coupling/decoupling circuit for power converter systems An improved current sharing signal coupling/decoupling circuit for use in each module of a system including a plurality of parallel connected modules, each such circuit providing an interface between a module's "current sharing signal" port and a common c... | 10/17/2000 |
| 6125150 | Transmission system using code designed for transmission with periodic interleaving The present invention discloses an OFDM transmission system providing a high level of performance on a variety of frequency selective channels by using a code having the characteristics of maximum PPD and maximum PECL, and a constellation having size 2 | 09/26/2000 |
| 6119634 | Combination pet ramp and utility table A pet ramp assembly including a pair of elongated, molded first and second ramp components hinged together at adjoining ends by a simple pivot pin. A pair of side-locking pins serve the dual purpose of locking the folded structure together and alternative... | 09/19/2000 |
| 6119262 | Method and apparatus for solving key equation polynomials in decoding error correction codes In decoding an received codeword encoded for error correction purposes, a method for computing error locator polynomial and error evaluator polynomial in the key equation solving step is presented whereby the polynomials are generated through a number of ... | 09/12/2000 |
| 6104721 | DSP based dynamic resource allocation multiprocessor communications board DSP based dynamic resource allocation multiprocessor communications boards may be used in either a circuit-switched data system or a packet switched data system including a plurality of channels for transmitting bit streams including service data packets ... | 08/15/2000 |
| 6065885 | Printable media carrier for use with standard sheet feed printers An improved reusable media carrier having positive alignment capability and improved carrying characteristics for advancing one or more pieces of printable card stock media or the like through a computer printer, word processing printer, or copy machine. ... | 05/23/2000 |
| 6026021 | Semiconductor memory array partitioned into memory blocks and sub-blocks and method of addressing A memory circuit that reduces memory operation access time and stress on the memory cells due to memory operations. The memory circuit comprises a semiconductor memory array having a continuously addressable memory space being divided into a plurality of ... | 02/15/2000 |
| 6021453 | Microprocessor unit for use in an indefinitely extensible chain of processors with self-propagation of code and data from the host end, self-determination of chain length and ID, (and with multiple orthogonal channels and coordination ports) A novel architecture is based on a general purpose microcomputer with an "upstream" bus and a "downstream" bus. The upstream bus interfaces to an integrated multiport RAM that is shared between an upstream processor and the local processor, and possesses ... | 02/01/2000 |
| 6002695 | High efficiency high repetition rate, intra-cavity tripled diode pumped solid state laser A diode pumped laser wherein third harmonic generation at 355 nm is obtained from an intra-cavity-tripled diode-pumped Nd:YVO4 crystal utilizing an angle-tuned LBO doubler and tripler, and operated at high repetition rates and good overall efficiency. An ... | 12/14/1999 |
| 5971851 | Method and apparatus for managing faults and exceptions An operating system having a multitude of subsystems is provided where each subsystem performs a distinct function and may register with other subsystems to receive notification (or callbacks) upon the ocurrence of certain events. Moreover, the subsystems... | 10/26/1999 |
| 5969279 | Bridge and saddle for stringed musical instruments Improved saddle (53) for stringed musical instruments comprised of a single unitary member configured in a somewhat comblike structure, the backbone portion (60) of which is curved and forms a string-engaging and supporting surface. The teeth-forming port... | 10/19/1999 |
| 5949399 | Electronic signal measurement apparatus for the acquisition and display of short-duration analog signal events Electronic signal measurement apparatus for the acquisition and display of short-duration analog signal events, in the form of a hand-held instrument which includes maximum and minimum signal value detection circuits for capturing the extremes of a rapidl... | 09/07/1999 |