U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!

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Attorney: Duane Morris & Heckscher LLP


Number of patents: 76
Last date: November 12, 2002

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NumberTitleIssue Date
6479785Device for plasma incision of mater with a specifically tuned radiofrequencty electromagnetic field generator
A device to place an incision into matter with a harmonious plasma cloud. A radiofrequency generator system produces pulsed or continuous electromagnetic waveform which is transmitted by an active transmitter incising electrode tip. This generated electro...
11/12/2002
6428061Retractable safety mechanism for a cabinet
A cabinet includes a base having a receptacle. A door is pivotally connected to the base. A fastener is mounted to the door. The fastener has a head and a tip. The fastener has an extended position, in which the tip of the fastener projects from the door ...
08/06/2002
6355697Processes for forming styrenic polymers
Polymers are formed by suspension polymerization of monomers, including one or more styrenic monomers, in the presence of polymeric, emulsion based seeds. The polymerization can be carried out in the presence of one or more blowing agents, producing polym...
03/12/2002
6352288Thrust and torque resistant pipe joint
Mechanical pipe connections are provided by this invention which include the feature of coupler recesses with discontinuous locking grooves on the pipes. The interlocking system may also include male and female portions which mechanically mesh together to...
03/05/2002
6346004Top access cap for barrel IDC connector and connector including the cap
A connector has a base and a cylindrical terminal attached to the base. The terminal has a hole in its side wall and a horizontal slot extending from the hole. A cap is mounted on the base so as to substantially cover the terminal. The cap has a passage t...
02/12/2002
6334529Corrosion protection system for anti-tank ammunition
An apparatus for storing anti-tank ammunition including a tube with a first cap disposed at a first end of the tube, and a second cap disposed at a second opposing end of the tube. The first cap includes a one-way valve which allows gas to escape the tube...
01/01/2002
6327142Portable computing device with leather grain top
Portable computing devices, such as notebook and palm top computers are provided which include top and bottom housing portions connected by a hinge in which a set of keys is disposed in the bottom portion and a display screen is disposed in the upper port...
12/04/2001
6326575Needle incinerator
The invention provides an incinerator adapted for disintegrating metal needles and lancets such as are used in the medical profession. An incinerator is provided that includes first and second electrodes, each having a contact edge spaced apart in an over...
12/04/2001
6322386Connector boot with integral latch release
The invention provides a connector boot having an integral latch release for engaging an operative portion of a latching mechanism of a connector to switch the latching mechanism between a latched position and an unlatched position. In one embodiment, the...
11/27/2001
6309170Vehicle wheelchair lift with mutually perpendicular pivot axes and parallelogram transport
A wheelchair lift is mounted in a vehicle doorway and provided with at least three distinct modes in which a supporting platform can be moved. The platform is affixed to vertical standards guided by parallelogram linkages between the standards and fixed p...
10/30/2001
6302445Irrigation pipe system
An irrigation pipe system including a tubular coupler member releasably connectable to fluid transport pipes. The tubular coupler member includes wing-like lateral projections for stabilizing and minimizing impact upon the tubular coupler member as it is ...
10/16/2001
6302028Non-lethal projectile with fine grain solid in elastic infrangible envelope
A very highly deformable projectile comprising at least one envelope that is fine, flexible, and elastic, filled with a divided solid substance, deformation thereof occurring only on impact, and of a diameter that is sufficient to limit penetration on imp...
10/16/2001
6303630Diarylsulfone non-nucleoside reverse transcriptase inhibitors of human immunodeficiency virus
In accordance with the present invention, there is now provided novel anti-HIV compounds of the formulae selected from the group consisting of: ##STR1## ##STR2## wherein R1 is hydrogen or C1 -C4 alkyl; R2 is hyd...
10/16/2001
6296921Composite fabric
A lightweight, high-strength composite fabric suitable for use in carpet backing, roofing and membranes and other products which employ rugged fabrics. The composite fabric comprises a layer of nonwoven material disposed between a layer of low shrinkage w...
10/02/2001
6293305Fluid flow distributor
A fluid flow distributor, to be used with a steam trap, has a single valve body which includes a steam inlet operatively connected to a steam feeding pipe, a steam outlet operatively connected to the steam trap inlet and in selective fluid communication w...
09/25/2001
6279644Screen and frame assembly in which the screen is adhesively secured to the frame
A screen bar segment for use in forming a screen and frame assembly in which screen can be adhesively secured to the frame. The screen bar segment includes a tensioning step along one side thereof and adhesive applied along the base of the tensioning step...
08/28/2001
6276572Measuring device with conical cap
A device for assisting in the dispensing of a product (liquid or solid) comprising a shaft having a substantially hollow passage therein, a first cone-shaped cap disposed on a first end of the shaft, a second cap disposed on a second end of the shaft, sai...
08/21/2001
6276360Medicated nasal dilator
Nasal dilators and methods for improving the breathing of individuals are provid. The dilator includes an elongated substrate having top and bottom surfaces and a pressure-sensitive adhesive disposed on the bottom surface. The elongated substrate can be m...
08/21/2001
6272216Customer self routing call center
A self-routing calling center system provides the caller with a graphical display showing a plurality of resources. The resources may include voice telephone by which the caller talks to an agent, a video device, a voice mail system, an electronic mail sy...
08/07/2001
6270135Vacuum collet with release weights
A vacuum collet includes at least one weight disposed in the collet for assisting in removal of components from the collet. The weights are movable within the collet to gently dislodge components lodged on a bottom face of the collet. The weights may be a...
08/07/2001
6271757Satellite animal containment system with programmable Boundaries
An electronic containment system using positional satellites is provided for controlling the movement of animals relative to a selected confinement area. A portable programming transceiver is used to program the boundary of a selected confinement area as ...
08/07/2001
6260504Multi-ROV delivery system and method
A TMS, cage type or top hat type incorporates a deployment frame. The TMS may be operated by a winch from a surface vessel. The TMS delivers a main ROV and a smaller mini ROV. The main ROV is fully functional to accomplish the necessary task subsea. Howev...
07/17/2001
6259024Integrated base fixture for a telecommunications enclosure
An end cap for a telecommunications enclosure has a plurality of cable receptacle tubes and a pair of pivotally mounted legs. The legs are mounted on an outside surface of the end cap. The legs are pivotable to positions in which they prevent the end cap ...
07/10/2001
6258481Battery terminal bushing having frontal access to battery termination
A battery is delineated comprising, in combination, a battery cover having a Cast on Strap (COS) post extending into an aperture located in a top surface of the battery cover; and a battery terminal bushing, integrally coupled to the battery cover, having...
07/10/2001
6250991Bearing substitute for wafer polishing arm
An apparatus and method for polishing a workpiece including a polishing pad, and at least one polishing arm for holding a workpiece to be polished on the polishing pad. The polishing arm includes at least one plastic bearing. The plastic bearing prevents ...
06/26/2001
6246971Testing asynchronous circuits
A method and system for testing a circuit. A test program is downloaded into the circuit, which causes the circuit to provide a serial test output pattern comprising a series of identical signals to indicate whether the circuit passes the test. Signals of...
06/12/2001
6241562Digital cross connect/interconnect module
A digital cross-connect module with a housing formed of two portions which slidably engage one another. One of the portions includes tabs which engage slots formed in the other portion. The two portions are formed of plastic, so the module housing is ligh...
06/05/2001
6237705Self-propelled stairs moving unit
The self-propelled stairs moving unit A1 moves on stairs, putting a manual wheelchair K on the pallet 7, by driving the front crawler traveling units 1a, 1b and the rear crawler traveling units 2a, 2b wherein right and left are unitedly connect...
05/29/2001
6239510Reduced impact power up/down mode in electrical circuits
An apparatus and method for reducing variations in a supply voltage signal. The voltage signal which powers a circuit is regulated by adding or removing a series of redundant loads to the circuit. The redundant loads are normally not connected to the circ...
05/29/2001
6234868Apparatus and method for conditioning a polishing pad
An apparatus and method for conditioning a polishing pad used in a chemical mechanical polishing (CMP) process. The polishing pad is conditioned by the application of a conditioning device to the surface of the rotating polishing pad. The amount of force ...
05/22/2001
6235136Water-resistant mastic membrane
This invention provides reinforced, water-resistant membranes, and methods of manufacturing and installing such membranes. These membranes include a mastic layer having first and second major surfaces and a fiber-containing reinforcing layer disposed with...
05/22/2001
6230595Tool post
A tool post has gibs for locking tool holders onto dovetail tool mounts, the gibs having an extended range of movement vertically on the tool post to permit mounting of tool holders in a range of vertical positions on the tool mounts. The tool post has mo...
05/15/2001
6233398Heating element suitable for preconditioning print media
Heating elements suitable for heating a printing media of a ink-jet printer are provided. The heating element includes an electrical resistance heating member for generating resistance heating and a polymeric supporting layer for substantially encapsulati...
05/15/2001
6216382Supporting expander for collapsible hunting decoys
A manually manipulated expander spaces the opposite walls of the body of a flexible hollow animal decoy, such as a turkey decoy. The decoy has outwardly convex flexible walls, one of which is collapsed inwardly by inverting it against the other, thus flat...
04/17/2001
6215856Dual mode monitor module
A method and apparatus for monitoring telecommunication lines. A switch is disposed between the telecommunication lines to be monitored and a jack which is connectable to a signal monitoring device. The switch is positionable into a neutral position for p...
04/10/2001
6209799Shower device having a resiliently depressible jet disk for removing mineral deposits
A shower device having a flexible, flat jet or spray disk is created, in which at least one surface zone is curved outwards and on exceeding a specific pressing in force (E) exerted thereon springs round suddenly with the curvature inwards into a space lo...
04/03/2001
6206050Hose used to install loose fill insulation
An improved hose is used to install loose fill insulation. The hose includes projections extending from an inner surface which serve to condition the insulation as it proceeds through the hose and is dispensed. In a first embodiment of the present inventi...
03/27/2001
6205935Bolt-mounted shelf for use with hunters' tree stands
A shelf is mountable on a crank-shaped support that threads into the trunk of a tree, preferably in association with a hunter's tree stand. The crank-shaped support forms a threaded lag bolt at one end, perpendicular to an intermediate crank arm. At the o...
03/27/2001
6205852Method and apparatus for testing of sheet material
An apparatus for testing of electrical, mechanical, physical and/or chemical properties of material in sheet form includes sensors which may be positioned adjacent to a surface of material in sheet form located in a cassette and supports positioned to red...
03/27/2001
6202482Method and apparatus for testing of sheet material
An apparatus for testing of electrical, mechanical, physical and/or chemical properties of material in sheet form includes a cassette for holding of sheets and sensors rigidly mounted relative to the cassette. The sensors may be mounted adjacent a test lo...
03/20/2001
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