Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 5025632 | Method and apparatus for cryogenic removal of solid materials A method and apparatus for cryogenic removal of solid materials includes a wand connected in fluid communication with a cryogen fluid source. The wand directs the cryogen against a selected portion of solid material. The wand has a spray nozzle to direct ... | 06/25/1991 |
| 4994633 | Bend-tolerant superconductor cable An electric cable for shielding the conductor therein from tensile stresses during bending of the conductor in a predetermined lateral direction. An elongated duct having a pair of opposed sidewalls and a floor therebetween holds the conductive element, w... | 02/19/1991 |
| 4990492 | Stress controlling superconductor wire A method for manufacturing a stress controlled wire comprises the step of twisting superconductor fibers together into a bundle of fibers. A plurality of bundles are then twisted together and disposed within the lumen of a tube and the lumen is flooded wi... | 02/05/1991 |
| 4976629 | Zero insertion force dual in-line LCD connector A zero insertion force dual in-line LCD connector has a connector body which holds the base ends of a plurality of resilient contacts in electrical engagement with a printed circuit board and holds the end points of these contacts in two substantially par... | 12/11/1990 |
| 4974830 | Continuous passive motion device A CPM device is disclosed having a single drive tube supporting the calf and thigh support members. Arms extend upwardly from the calf and thigh support members, each supporting an adjustable cradle in which the calf or thigh rests. The support arms are r... | 12/04/1990 |
| 4968301 | Disposable infusion device A disposable IV infusion device for ambulatory patients comprises a disk-shaped cover plate and a disk-shaped impeller plate which are interconnected by a stretched membrane that joins the edge of the cover plate with the edge of the impeller plate. The e... | 11/06/1990 |
| 4966604 | Expandable atherectomy cutter with flexibly bowed blades An expandable atherectomy cutting device comprises a flexible blade having one end connected to a torque tube and the other end connected to a tip. The tip and torque tube are rotatably positioned about a guide wire, and the torque tube is coupled to a dr... | 10/30/1990 |
| 4964070 | Method for preparing camera-ready photostatic copies printed by raster printers for use in the publishing industry A method for increasing optical fidelity of conventional laser printers by intercepting a page description word processing output file to be sent to a printer, expanding the text in that file, rotating the expanded text, and causing the expanded, rotated ... | 10/16/1990 |
| 4954046 | Peristaltic pump with mechanism for maintaining linear flow A linear peristaltic pump includes a mechanism for maintaining linear flow of fluid through an I.V. tube. The mechanism comprises a casing carrying a rotatable camshaft having a plurality of cams spaced therealong in helical arrangement and a plurality of... | 09/04/1990 |
| 4950277 | Atherectomy cutting device with eccentric wire and method An atherectomy cutting device for removing obstructive tissue from the lumen of a body vessel comprises a guide wire positionable in the lumen of the vessel, and a rotatable cutter supported on an eccentric wire. The eccentric wire has a distal portion ex... | 08/21/1990 |
| 4948497 | Acoustically fluidized bed of fine particles An apparatus to acoustically fluidize a bed of fine particles comprises a generally box-shaped hollow chamber. An acoustic source is located at the bottom of the chamber and a convection inhibiting heater is located at the top of the chamber. An acoustic ... | 08/14/1990 |
| 4942788 | Method of manufacturing a cutter for atherectomy device A cutter penetrates at its forward end into, and excises, obstructive tissue in a lumen in a living being by providing two spaced external segments of a conical generally hollow portion with cutting surfaces at their edges. The cutter may have a forward p... | 07/24/1990 |
| 4943774 | Magnetic field control apparatus A magnetic field control apparatus for establishing a uniform field of flux for use in magnetic resonance imaging comprises a pair of opposed magnetic poles mounted on end plates of variable thickness. A pair of substantially flat parallel pole faces are ... | 07/24/1990 |
| 4942586 | High power diode pumped laser A single cavity laser device comprises a diode pumped laser medium having a relatively high gain but a relatively low power. With this medium, a control laser beam is generated. Also positioned in the cavity is a second laser medium having a relatively la... | 07/17/1990 |
| 4936828 | Liquid drop image sensor A liquid drop images sensor for determining the volume of liquid drops comprises a light source and an array of optical sensors which receive light energy from the source. The array is positioned relative to the source to establish a passageway therebetwe... | 06/26/1990 |
| 4933876 | System of operating an automatic plotter A system and method of operating an automatic plotter device having marking instruments for drawing images onto a large sheet with the aid of a computer includes providing the computer with data defining the desired images, providing the plotter with a pr... | 06/12/1990 |
| 4933218 | Sign with transparent substrate A sign with an etched or embossed appearance comprises a transparent substrate on which an extraordinarily thick ridge of viscous ink has been deposited to form a design. For an embossed appearance, the ridge of ink is uniformly smooth. For an etched appe... | 06/12/1990 |
| 4933866 | Method and apparatus for generating aesthetically alterable character designs A process and system for generating an aesthetically altered character design with the aid of a computer includes the steps of providing the computer with coordinates defining a wide fixed reference character shape, providing the computer with correspondi... | 06/12/1990 |
| 4929003 | Motorized locking mechanism for a door A motorized door locking mechanism comprises a base on which a bolt and a latch are reciprocally mounted. A cam plate is slideably mounted on the base for movement between first, second and third positions and is operatively connected with the bolt and la... | 05/29/1990 |
| 4926526 | Reusable bag closure A reusable closure is described which comprises an elongate member molded from a plastics material having memory. The member is formed with a reduced thickness live hinge line extending along its length and leg portions defined on opposite sides of the li... | 05/22/1990 |
| 4922064 | Door position indicator A door position indicator for indicating when the door is open or ajar from the doorjamb comprises a proximity switch which is adjustably mounted on the frame leaf attached to the doorjamb. An actuator is adjustably mounted on the door leaf attached to th... | 05/01/1990 |
| 4920336 | Method and apparatus for monitoring the level of the contents in a container A method and apparatus are disclosed for monitoring the contents of a container in order to detect when the contents are below a predetermined level. An optical metering signal from a light source driven by a multivibrator is projected at a predetermined ... | 04/24/1990 |
| 4915374 | Recumbent exercise cycle with articulated pedals A recumbent exercise cycle comprises a pair of pedals and a seat which are each individually adjustable relative to a crankshaft that is rotatably mounted on the frame of the exercise cycle. In combination, each pedal is connected by an extension arm to a... | 04/10/1990 |
| 4909710 | Linear peristaltic pump A linear peristaltic pump equipped with a pressure relief mechanism for pumping I.V. fluids to a patient comprises a platen for supporting the tube, and a plurality of fingers which sequentially urge against the tube resting against the platen for creatin... | 03/20/1990 |
| 4907586 | Method for reshaping the eye A method for modifying tissue with a quasi-continuous laser beam to change the optical properties of the eye comprises controllably setting the volumetric power density of the beam and selecting a desired wavelength for the beam. Tissue modification is ac... | 03/13/1990 |
| 4904187 | Dental implant A dental device implantable in bone comprises a hollow cylinder which has an open end and a closed end with an outer surface between the ends. A plurality of shallow oblong-shaped grooves are formed into the surface near the closed end with the longitudin... | 02/27/1990 |
| 4903832 | Method and apparatus for cleanly storing and disposing of discarded articles A system for cleanly storing and disposing of discarded and potentially contaminated articles comprises a disposable receptacle of specialized design and a selectively operable mount for securing the receptacle to a support while in use. The receptacle pr... | 02/27/1990 |
| 4901718 | 3-Dimensional laser beam guidance system A laser beam guidance system comprises a combination of mirrors that establishes an optical channel within which the laser beam is confined for movement. The system also includes means for moving the combination of mirrors to spatially reorient the optica... | 02/20/1990 |
| 4897591 | Regulated battery charger The present invention is an electrical circuit for regulating the average current through and the voltage across a load, such as a rechargeable battery. The circuit includes at least one semiconductor switching device connected in series with the load for... | 01/30/1990 |
| 4895166 | Rotatable cutter for the lumen of a blood vesel A cutter penetrates at its forward end into, and excises, obstructive tissue in a lumen in a living being by providing two spaced external segments of a conical generally hollow portion with cutting surfaces at their edges. The cutter may have a forward p... | 01/23/1990 |
| 4892272 | Kite-like flying device with dual handles and four point control A preferred embodiment of the present invention includes a kite having a sail with a left and right wing, each being connected to a supporting frame, with the frame having a leading edge support member associated with a left wing strut member and with a r... | 01/09/1990 |
| 4891503 | Distributed authorization system A distributed authorization system and process for authorizing transactions utilizes a host computer communicating with a network of electronic terminals remote from the host computer. It includes storing negative file data in the electronic terminal cont... | 01/02/1990 |
| 4887613 | Cutter for atherectomy device A cutter penetrates at its forward end into, and excises, obstructive tissue in a lumen in a living being by providing two spaced external segments of a conical generally hollow portion with cutting surfaces at their edges. The cutter may have a forward p... | 12/19/1989 |
| 4882846 | Stair building template and method of use A stair building template comprises a plurality of rectangular-shaped horizontal members and a plurality of rectangular-shaped vertical members. Connectors are provided which each hold a horizontal member in a right-angled relationship with a vertical mem... | 11/28/1989 |
| 4881808 | Imaging system for surgical lasers An ocular imaging system for use with a surgical laser device comprises a light source radiating a beam which is coaxially aligned with the surgical laser beam. An aperture is place in the path of the beams to limit the quantity of light that can pass alo... | 11/21/1989 |
| 4863867 | Gas permeable bio-test pack A disposable sterilization bio-test pack for determining the efficacy of sterilizing equipment comprises a porous base pad having a cavity for receiving the sterilization indicator. Porous pads are disposed on opposite sides of the base pad to retain the ... | 09/05/1989 |
| 4861332 | Ultrasonic probe A transducer in a probe is positioned between first and second body members in a housing. An elongated tip is coupled to the first body member. A mass is provided on the first body member to amplify the ultrasonic vibrations imparted to the tip by the tra... | 08/29/1989 |
| 4859927 | Power supply with improved switching regulator A highly efficient switching regulator for a field effect transistor employed in a regulated power supply as the switching element for an unregulated power source. The emitters of a pair of complementary control transistors are coupled to the gate of the ... | 08/22/1989 |
| 4858801 | Guitar strap A guitar strap comprises a narrow band of flexible material having a top side and bottom side, with the bottom side having an anchor member located thereon. In addition, cushion means are provided having a coupling member connected thereto for detachably ... | 08/22/1989 |
| 4857050 | Ratiometric air-in-line detector An air-in-line detector for use with an IV administration system comprises a light emitter positioned relative to a plurality of light sensors for receiving an IV tube therebetween. A comparator is connected with the light sensors to determine the relativ... | 08/15/1989 |
