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President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 5100871 | Method for preparing rare earth-barium-cuprate pre-ceramic resins and superconductive materials prepared therefrom A method of making high Tc 1-2-3 superconductors having perovskite structure using solution techniques is disclosed. The process uses two solvent system to form a resinous pre-ceramic material having a controlled viscosity for facilitating its ... | 03/31/1992 |
| 5095571 | Underwater vacuum cleaner An underwater vacuum cleaner for cleaning debris from the bottom of a pool has a collection chamber formed with an inlet, an exhaust port and an actuator port. Operatively associated with the actuator port is a reciprocable push button which moves between... | 03/17/1992 |
| 5095271 | Compact open NMR systems for in situ measurement of moisture, salinity, and hydrocarbons A nuclear magnetic resonance device has a hollow cylindrical magnet that forms a void. The magnet has a plurality of south poles and an equal plurality of north poles, the poles being dimensioned and disposed on the magnet to establish a toroidal zone ext... | 03/10/1992 |
| 5094531 | Spectrophotometer to fluorometer converter A converter for using a spectrophotometer as a fluorometer includes a barrier for blocking the light in a collimated beam from reaching the detector of the spectrophotometer after this light has passed through and excited a sample material. A second detec... | 03/10/1992 |
| 5092749 | Fluid pump drive mechanism A drive mechanism for actuating the fingers of a peristaltic pump has a base, and a drive member reciprocally mounted on the base. A jointed arm is pivotally attached at one end to the drive member and at the other end to a fixed point on the base. A rota... | 03/03/1992 |
| 5092674 | Micropipette adaptor for spectrophotometers with temperature control A temperature-controlled micropipette adaptor includes a metal base sandwiched between two plastic layers. The metal base has an orifice to hold a micropipette. The plastic layers hold lenses in alignment for spectrophometric measurements of a sample cont... | 03/03/1992 |
| 5089421 | Method and apparatus for analyzing blood An apparatus for analyzing blood comprises a conduit formed with a passageway. The conduit is also formed with an inlet, an outlet and an aperture, each of which are in fluid communication with the passageway. An adapter is threadably engageable with the ... | 02/18/1992 |
| 5089228 | Method for sterilizing and disposing of infectious waste A method for sterilizing infectious waste includes placing the waste in a disposal apparatus which has an isolated volume for holding the waste. A dry granulated medium which has a disinfectant constituent is also placed within the isolated volume along w... | 02/18/1992 |
| 5084060 | Apparatus for enlarging a vessel or clearing obstructive tissue from a vessel according to vessel compliance An apparatus for clearing obstructive tissue from a body vessel or enlarging the lumen of the vessel comprises a balloon catheter which is insertable into the vessel of a patient to position the balloon in the area to be enlarged or against the obstructiv... | 01/28/1992 |
| 5082703 | 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... | 01/21/1992 |
| 5080296 | Low tension wire transfer system A system for maintaining a predetermined tension of a wire has a rotatable wire supply spool, a motor-driven wire take-up spool, a motor-drive wire feed spool. The wire is wound around the supply spool and is also attached to the take-up spool. The wire a... | 01/14/1992 |
| 5076319 | Jet distribution valve assembly for a spa A jet distribution valve assembly is provided for a spa having a threaded valve head and adjustable flange to engage the valve housing above and below the spa surface respectively to enable mounting of the valve assembly to the spa surface. Access to the ... | 12/31/1991 |
| 5075072 | High temperature control rod assembly A high temperature nuclear control rod assembly comprises a plurality of substantially cylindrical segments flexibly joined together in succession by ball joints. The segments are made of a high temperature graphite or carbon-carbon composite. The segment... | 12/24/1991 |
| 5073240 | Anhydrous electrophoretic silver coating technique A process for depositing a silver coating onto a superconductor involves placing the superconductor into an alcohol solution, preferably octanol, which contains silver particles. Each silver particle is coated with a layer of oleic acid. An electrode, pre... | 12/17/1991 |
| 5062648 | Seal for rotating torque tube with seal valve A device for establishing a fluid-tight seal around a rotatable drive shaft has a housing which is formed with a straight bore through which the drive shaft is positioned. The bore has a narrow portion, a wide portion and a tapered portion between the nar... | 11/05/1991 |
| 5056798 | Freeway frenzy An electronic hand-held game apparatus comprises a portable hand-held type computer including a keyboard, display screen, and memory. The keyboard has a plurality of data entry keys and instruction keys. The data entry keys include twenty-six alphabetic a... | 10/15/1991 |
| 5057489 | Multifilamentary superconducting cable with transposition A multifilamentary superconducting cable has two parallel spaced-apart guide wires. A first layer of mutually parallel superconducting filaments is woven partially around and between the guide wires in a transposed braid. Likewise, a second layer of mutua... | 10/15/1991 |
| 5047389 | Substrate for ceramic superconductor A substrate for supporting a ceramic superconductor comprises a metallic base member having a constituent oxide former which establishes an oxide layer on the surface of the substrate. A layer of ceramic superconducting material covers the substrate with ... | 09/10/1991 |
| 5042815 | Golf swing alignment device A grid-like reference system for obtaining a properly aligned golf stance includes a plurality of lines and a plurality of frames for holding opposite ends of each line on the ground in a predetermined relationship. A stance position line is established w... | 08/27/1991 |
| 5028789 | System and apparatus for neutron radiography An apparatus for use in neutron radiography has a convergent collimator of moderator material joined coaxially to a divergent collimator made of neutron-absorbing material. An aperture is formed between the collimators. The divergent collimator substantia... | 07/02/1991 |
| 5026384 | Atherectomy systems and methods An atherectomy system includes a guide wire which can be inserted into an artery of a patient to a region of occlusion, a torque tube having a cutter device affixed to its distal end which is insertable into the artery over the guide wire, and a protectiv... | 06/25/1991 |
| 5026683 | Ceramic superconductor wire apparatus and methods A superconducting wire and a process for fabricating such a wire. The present invention relates specifically to the fabrication of a wire using a ceramic superconducting material. Initially, a quantity of highly pure high temperature superconducting mater... | 06/25/1991 |
| 5022538 | I.V. bag organizer An apparatus and method for organizing and hanging a plurality of I.V. bags on an I.V. pole includes a solid back and a plurality of spaced apart resilient loops, which apparatus fits over a horizontal support bar on the I.V. pole. The resilient loops are... | 06/11/1991 |
| 5022210 | Construction systems and elements thereof Construction elements of predetermined cross-sectional and end profiles are formed. These construction elements are useful in building construction. Included is an I-shaped element, a corner/connecting block and a D-shaped profile material. In addition, e... | 06/11/1991 |
| 5022422 | Ball valve A ball valve device for controlling fluid flow has a stainless steel ball positioned in the lumen of an I.V. tube. The outer diameter of the ball is equal to the inner diameter of the I.V. tube, so that the outer surface of the ball establishes a fluid se... | 06/11/1991 |
| 5022211 | Construction systems and elements thereof Construction elements of predetermined cross-sectional profiles are formed of wood, plastic and/or metal. These construction elements are useful in building construction, preformed panel systems and preformed truss structures. The shapes of the constructi... | 06/11/1991 |
| 5020562 | Multiline check valve assembly A multiline check valve assembly has an elongated body which defines a fluid passageway and which is formed with a plurality of valve cavities that are in fluid communication with the fluid passageway. Each valve cavity has a resilient valve element dispo... | 06/04/1991 |
| 5019088 | Ovoid atherectomy cutter A rotatable atherectomy cutter for removing obstructive tissue from a body vessel includes a hollow cylindrical base having an outer wall, a hollow cylindrical guide tip coaxially distanced from the base for slidably receiving a guide wire and a pair of d... | 05/28/1991 |
| 5019555 | High purity superconducting compositions and methods for their fabrication The present invention is related to a composition and methods for producing highly pure, high temperature superconducting materials having the general formula MBa2 Cu3 O7-x, where M is yttrium or a rare earth element and x... | 05/28/1991 |
| 5019089 | Atherectomy advancing probe and method of use An atherectomy probe for incrementally advancing a torque tube with a rotating cutter through an artery to remove obstructive tissue from the lumen of the artery comprises a fixed distal support and a moveable proximal support for slideably restraining th... | 05/28/1991 |
| 5016500 | Battery powered temperature-controlled wire stripper A portable thermal wire stripper has a pair of heatable stripping blades which are electrically attached to an electrical power and control system. The electrical system converts a direct current output from a battery which is housed in the wire stripper ... | 05/21/1991 |
| 5010878 | Apparatus for mobilizing a patient's toes An apparatus for supporting a patient's foot allows adjustable positioning of a continuous passive motion device for mobilizing the patient's toes. A soft resilient foam base supports the patient's lower leg and foot, and a soft resilient foam cover is at... | 04/30/1991 |
| 5003918 | Apparatus for manufacturing atherectomy torque tubes An apparatus for manufacturing atherectomy torque tubes includes a mechanism for rotating a tube liner about its longitudinal axis at a rotational velocity. A carriage is translatably positioned along the longitudinal axis. A mechanism for winding a wire ... | 04/02/1991 |
| 5003276 | Method of site shimming on permanent magnets Ferromagnetic pieces are mounted on a plurality of nonmagnetic radial rods located at desired locations parallel to a pole face of a permanent magnet used in a magnetic resonance imaging apparatus. The pieces comprise plates which are translatable radiall... | 03/26/1991 |
| 5001858 | Tree trimming apparatus and method A plant trimming apparatus comprises a cutting device operated in conjunction with a support apparatus. The cutting device includes an elongated handle member attached to a cutter, the cutter being preferably an electrical chain saw or tree trimmer. A pow... | 03/26/1991 |
| 5001425 | Ferromagnetic object detector with comparison of signal maximums from a pair of detection coils A device for detecting the passage of a ferromagnetic object through a predetermined space has a substantially circular base which circumscribes the space. An inner detector coil and an outer detector coil are concentrically mounted in coplanarity on the ... | 03/19/1991 |
| 4998886 | High density stacking connector An electrical connector includes a plurality of elongated electrically conductive contacts which are arranged in a side-by-side relationship to establish a first row of end points which is substantially parallel to a second row of end points. A plurality ... | 03/12/1991 |
| 4996515 | Apparatus for suppressing automobile anti-theft arm/disarm system An apparatus for automatically suppressing the audible arm and disarm signal associated with an automobile anti-theft system includes a control circuit connected between an anti-theft system and its sound emitter. A photoresistor cell is connected to the ... | 02/26/1991 |
| 4993427 | Heart contraction monitor An apparatus for determining the magnitude of heart muscle contractions has two ultrasonic transceivers, both of which are disposed in sonic alignment on selected points of the heart. A digital counter electrically interconnects the transceivers with a di... | 02/19/1991 |
| 4991958 | Micropipette adaptor for spectrophotometers An adaptor for holding a micropipette in a spectrophotometer includes a base member for holding the micropipette and an optical system for linearly focusing visible or ultraviolet light onto the micropipette. Specifically, the optical system includes a cy... | 02/12/1991 |
