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| Number | Title | Issue Date |
| 4285683 | Method of making a display mount A method of making a display mount for holding calendars, photographs, and the like, is provided with a rectangular backing panel, an intermediate spacing panel mounted adjacent thereto, and a partial face panel mount in the front of the intermediate pane... | 08/25/1981 |
| 4245648 | Method and apparatus for measuring blood pressure and pulse rate The system of the present invention includes a sensor head which is coupled to an exteriorized artery. The sensor head includes electromechanical transducers at first and second locations which convert each periodic arterial pulse pressure wave passing th... | 01/20/1981 |
| 4237696 | Compressed air system An air conditioning system for taking atmospheric air under any seasonal condition and delivering refrigerated, dry, high density air to a compressor which can then operate at full capacity delivering dry, full volume air to a reheater and air dryer which... | 12/09/1980 |
| 4228360 | Wave motion apparatus Apparatus for producing useful work from wave motion in a body of water. The apparatus translates wave motions of varying periods to continuous rotational kinetic energy which is then available to perform useful work. A float assembly is anchored off shor... | 10/14/1980 |
| 4227517 | Cast cutting system System and apparatus for removing a casted wall from a human appendage includes a strand embedded laterally through the wall at an inner surface thereof and adjacent the human appendage, and a take-up roller for severing the wall by drawing the strand int... | 10/14/1980 |
| 4228532 | Piezoelectric transducer An electroacoustic transducer having high acoustic-to-electric energy conversion per unit volume. The transducer is in the form of a body having a cylindrical central section and hemispherical end sections, the central section and the end sections formed ... | 10/14/1980 |
| 4216963 | Player controlled tilting game having an electronic display and control system A game including a tiltable table, a control stick and table deflection linkage coupled between the control stick and the table for permitting a player to guide the movement of a ball over the surface of the table. The table is supported about its center ... | 08/12/1980 |
| 4207782 | Multi-conductor insulation stripping apparatus Apparatus for stripping insulation from each insulated conductor in a multi-conductor wiring harness, includes a frame with a setup bar movably positioned across the frame and a clamp position along the bar. The clamp is locked at different preselected po... | 06/17/1980 |
| 4203574 | Fluid flow measurement apparatus A device for indicating the interval for the flow of a predetermined volume of fluid. The fluid flow measurement device includes a housing having a cavity therein for being interposed along a fluid line. A flexible diaphragm having a convolution therein i... | 05/20/1980 |
| 4191388 | Tail gate step A step for coupling with a folding panel of a vehicle such as a tail gate of a truck or the like, includes a flat plate mounted against the inside surface of the folding panel, and a pair of support rods extending from the plate and through the panel to f... | 03/04/1980 |
| 4189988 | Insulation and ventilation system for mobile homes A system for use with a conventional building such as a mobile home having an existing roof includes a sheet having dimensions generally conforming to the roof with a central opening therein. A plurality of brace plates extend from the peripheral edge of ... | 02/26/1980 |
| 4186509 | Expandable fish lure An expandable fish lure adapted to be coupled to a fishing line includes a pair of substantially flat sides having a fish lure appearance in order to attract fish. The lure is formed of a unitary, U-shaped member for biasing said side members apart, each ... | 02/05/1980 |
| 4185348 | Apparatus for removing trim rings from composite cans Apparatus and a method for removing foreign and undesirable material from composite cans during the manufacturing operation includes a first conveyor having spindles thereon for indexing the cans on the first conveyor in a space parallel relation with an ... | 01/29/1980 |
| 4185602 | Pulse generator for energy discharge system This disclosure relates to a pulse generator for triggering successive energy discharges such as in automotive or other ignition systems and the like, which generator comprises a magnetic circuit a portion of which is interrupted by a conductive vane the ... | 01/29/1980 |
| 4183017 | Alarm buzzer apparatus An alarm buzzer for fire alarms, burglar alarms, and the like, is provided using a conventional piezoelectric transducer driven by a battery operated oscillator and mounted in a casing. The casing has a resonance cavity formed therein with the transducer ... | 01/08/1980 |
| 4171469 | Abbreviated dialing system An abbreviated dialing system is connected in series with a telephone line connecting one or more subscriber telephone instruments to the telephone central office. This system incorporates either a low pass or other filter which prevents the transmission ... | 10/16/1979 |
| 4128020 | Energy storage and transmission apparatus An apparatus for storing and transmitting mechanical energy which utilizes a flywheel having a plurality of flywheel magnets located about the periphery thereof. An actuator is disengagably coupled to the flywheel for supplying rotary kinetic energy there... | 12/05/1978 |
| 4097044 | Baseball batting training apparatus A batting training device designed and constructed whereby a movable target is automatically positioned for batting practice after each blow delivered with a baseball bat.... | 06/27/1978 |
| 4087662 | Axial torsion pressure transducer Disclosed is a system of the type comprising an engine for performing a primary work function and at least one secondary work function, in which operation of the engine is characterized by alternating periods of primary work function load and no-load cond... | 05/02/1978 |
| 4082567 | Method for thermally killing roots in sewer lines A heated fluid is used as a thermal herbicide for scalding and killing roots growing within sewer lines. The process includes the steps of heating a fluid, isolating a length of a sewer line, and then filling the isolated length of sewer line with the hea... | 04/04/1978 |
| 4078404 | Clasp assembly A clasp assembly of the type designed to lockingly secure a cover element to some type of body, housing or support platform wherein the clasp assembly includes a hinge plate having an angularly oriented configuration so as to substantially conform to the ... | 03/14/1978 |
| 4076423 | Optical coherence measuring device A system for measuring the complex degree of coherence of beams of optical radiation is disclosed. The system generally consists of a polarizer for preparing initially the state of the radiation field entering the device, a retarder oriented so as to divi... | 02/28/1978 |
| 4075439 | Method for providing temporary telephone service Telephone service for a subscriber served by an underground or aerial cable is reinstated (or new service is established) by providing a ribbon of a low tensile strength insulating material having a spaced pair of low tensile strength conductors therein. ... | 02/21/1978 |
| 4074800 | Endless printer ribbon cartridge apparatus An endless ribbon printer cartridge apparatus in which a cartridge housing is provided with improved ribbon guides for directing the ribbon along a predetermined path and with wrapping members molded into the casing thereby eliminating wrapping rollers. A... | 02/21/1978 |
| 4073290 | Pelvic traction belt A pelvic traction belt for transmitting a longitudinal traction force and a rotary traction force through the pelvic area to the spinal column of a human wearer located generally in the supine position. The pelvic traction belt includes a circumferential ... | 02/14/1978 |
| 4071132 | Endless inked ribbon cartridge An endless printer ribbon cartridge for use in printing mechanisms for computer terminals, and the like, has a housing for mounting an endless wrapped ribbon there inside. The endless ribbon is fed from the inside of the wrapped portion over a predetermin... | 01/31/1978 |
| 4071752 | Self-synchronizing optical imaging system A self-synchronizing optical radiation imaging device and optical delay circuit is provided with optics for receiving optical radiation and directing the radiation to an optical image delay system for delaying the optical radiation for a predetermined len... | 01/31/1978 |
| 4068959 | Coupler apparatus A quick-hitch type coupler for front end loaders, and the like, for attaching various attachments to the front end loader without having to leave the vehicle. The lift mechanism of a front end loader has a coupler connecting and locking portion attached t... | 01/17/1978 |
| 4068413 | Adjustable lens grinding apparatus An adjustable lens grinding apparatus of the type having a chuck for securing a planar lens blank thereto, an abrading cup for sweeping through the lens blank during an abrading stroke, and further including an improvement in the apparatus for positioning... | 01/17/1978 |
| 4067289 | Portable mechanical alarm for doors, windows and the like A portable alarm useful for indicating unauthorized entry at doors and windows includes a housing and a bell casing mounted in the housing with a clacker arm rotatably mounted within the casing and adapted to create an audible signal. A trigger arm is mou... | 01/10/1978 |
| 4065147 | System for aligning trailer hitches A system for aligning a leading vehicle with the vehicle to be trailed, the leading vehicle being of the type having a rearward window facing the trailing vehicle and a rear hitch for attaching a tongue of the trailing vehicle thereto. The system includes... | 12/27/1977 |
| 4063318 | Folding frame assembly A folding frame assembly of the type suitable for providing support for a covering material whereby the user's head may be commfortably supported and his face may be shielded from the sun's rays.... | 12/20/1977 |
| 4064046 | Self-cleaning filter apparatus A filter apparatus for use with sprinkler systems, and the like, is self-cleaning and has a filter casing with an input and output for water to pass into and out of the filter casing. An elongated filter support is attached to the output and extends into ... | 12/20/1977 |
| 4063036 | Coin telephone system having restricted coin-free dialing capability A conventional telephone pay station is adapted for coin-free restricted dialing of a preselected number of digits by employing a two-coil latching relay operating a switch for shunting outgoing calls, one coil being operated after a predetermined time de... | 12/13/1977 |
| 4062429 | Combined garment bag and carrier A combined garment bag and carrier constructed as a unit consisting of a garment bag, a pair of ground engaging wheels secured to the bottom portion thereof, tubular members extending within and along the full length of the garment bag to maintain the gar... | 12/13/1977 |
| 4061154 | Umbrella with interchangeable tops This invention relates to an umbrella having a centrally located vertical shaft, a plurality of generally equally spaced ribs collapsibly coupled to a top end of the vertical shaft and a detachable cover stretched over the spaced ribs and fastened thereto... | 12/06/1977 |
| 4060896 | Prosthodontic implant and method A prosthodontic implant for anchoring dental appliances to a jawbone implant site, includes a filler of a non-rejectable, hardenable material disposed in the jawbone socket, with a threaded screw of a non-rejectable material extending axially into the sit... | 12/06/1977 |
| 4061797 | Noncarbonated, caffeine-containing fruit and cola flavored beverage A noncarbonated, caffeine-containing food product having both fruit and cola-type flavoring, wherein the fruit flavor is pronounced with respect to the cola flavor, the beverage including an edible organic acid.... | 12/06/1977 |
| 4060843 | Protection circuit for multiple phase power systems A protection circuit for use with circuit breakers for electrical apparatus operated by multiple phase, alternating current power systems characterized by a plurality of electrical distribution lines for transmitting electrical energy, with the electrical... | 11/29/1977 |
| 4060276 | Cooling seat This invention relates to a portable seat cushion which unfolds to form a seat section and a back section. Both the seat and back sections include therein a frozen coolant package covered by a thermally transparent pad or cushion. The coolant package cont... | 11/29/1977 |
