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Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 4897972 | Observation tower A molded door and mating door jamb for a observation tower enclosure includes a projection to adapt to a non-vertical structure on one side. The door projection is provided to avoid a projecting wall structure experienced by present day door jamb structur... | 02/06/1990 |
| 4892370 | Means and method for implementing a two-dimensional truth-table look-up holgraphic processor Algorithms and optical processor architectures for implementing a two-dimensional truth-table look-up processor are disclosed. An optical holographic medium stores the spectral expansion coefficients that map two-dimensional digital inputs of a binary tru... | 01/09/1990 |
| 4891037 | Continuous chain lubricating device A split tube containing a lubricant is engaging a bicycle chain. The lubricator tube is carried by the chain during the initial chain operation until the tube end contacts a barrier surface on the chain drive mechanism. The barrier may be the pivoting idl... | 01/02/1990 |
| 4887751 | Traveler's organizer bag luggage A compartmented luggage for separating a travelers belongings and allowing convenient carrying and access. A foldout flap and a plurality of compartments are detachably mounted to an outer shell avoiding mixing of various types of clothing and use outside... | 12/19/1989 |
| 4883658 | Ophthalmic solution for treatment of dry-eye syndrome A synergistic combination of an aqueous solution of a partially hydrolyzed poly(vinyl acetate) and a fully hydrolyzed poly(vinyl acetate), i.e. poly(vinyl alcohol), exhibiting a low surface tension at the water-air interface, while forming a completely we... | 11/28/1989 |
| 4872273 | Spike shoe slip A segmented slip designed to be placed over the bottom of the spiked shoe and support the wearer so that the spikes do not contract the ground. The slip has two generally rigid segments, one at the heel and another at the sole connected by a stretch mid-s... | 10/10/1989 |
| 4869453 | Bicycle stand and anti-theft device A deployed device projects through the spokes of a rear wheel and supports a bicycle from a two strut portion of the bicycle frame. A first bar member is placed between spokes and one end is hooked over a first frame strut. This first bar member bears up ... | 09/26/1989 |
| 4860932 | Bottle siphon and dispenser A container seal and siphon tube outlet combination where a sealing bias is provided by a ported leaf type spring which is also oppositely reacting against and biasing closed a manually operated poppet valve. The leaf spring is generally concave circular ... | 08/29/1989 |
| 4858410 | Modular brickwork form A modular brickwork form for producing a regular pattern in brickwork construction. Raised ledges have concave and convex dimples to interconnect with adjoining forms, avoiding added space and deformation experienced by present day forms. The modulator br... | 08/22/1989 |
| 4852743 | Membrane packing A pair of rigid frames having central openings are each covered with a pliable and stretchable material which is forced in intimate contact with a fragile article to be handled. Central openings allow passage of the fragile article which is suspended betw... | 08/01/1989 |
| 4853630 | Magnetic position sensor having spaced toroidal magnets in a state of equilibrium Two toroidal magnets are spaced apart form each other by a ferrous spherical spacer. The spacer partially engages openings provided in the two magnet surfaces facing each other. The facing magnet surfaces have the same polarity, repelling each other. The ... | 08/01/1989 |
| 4850996 | Safety needle A sheath is provided as a cover over a hollow needle for use by medical personnel in combination with a syringe. When needle is not in use, the sheath protects medical personnel from accidental scraping or injections. During use in injections, the sheath ... | 07/25/1989 |
| 4850608 | Ski binding device A ski binding mechanism for retaining a ski boot in fixed position on a ski and providing for release of the binding at any angle and for precisely controlling the required forces at various release angles. A plurality of retaining points each consisting ... | 07/25/1989 |
| 4848740 | Abdominal musculature development device A method of physical exercise is described utilizing a machine configured to support the user during exercise in a specific suspended position to immobilize and isolate certain muscle groups while exercising others. The method and device is particularly w... | 07/18/1989 |
| 4844582 | Hybrid electro-optical connectors A pair of hybrid electro-optical connectors which allow for the grouping of a mixture of electrical and optical connections in a versatile housing where clusters of terminal-holding channels are arranged in a beehive configuration. Automatic alignment of ... | 07/04/1989 |
| 4844527 | Ball practice aid A multipurpose ball collector, ball storage and ball dispenser uses a wheel driven rotating shaft and fixed projections to positively collect balls, a wire cage to store balls and a folding handle with a folding cage door to conveniently allow withdrawing... | 07/04/1989 |
| 4843380 | Anti-aliasing raster scan display system A raster scan display system for eliminating jagged edges from vectors or polygon boundaries inclined within &#b1;45 degrees to horizontal comprising a digital vector generator, a frame buffer memory, a color look-up table, digital-to-analog converters an... | 06/27/1989 |
| 4838308 | Multipurpose control valve A three-port multipurpose pilot-operated vapor (air) or liquid (hydraulic) control valve with two semi-independent poppet segments which can be used for most basic control functions, including: two position (on-off), relief, pressure reducing and pressure... | 06/13/1989 |
| 4831761 | Gun magazine and spring assembly In a telescopically extensible ammunition magazine for a firearm or similar device in which the rounds of ammunition are biased toward the firing chamber, by a coil spring, bent leaf spring or similar resilient device, a tensioning cord partially compress... | 05/23/1989 |
| 4827876 | Dog leash attachment An animal safety tether which provides several degrees of movement for the animal and simplified attachment and adjustment of the resulting confined boundaries. In the preferred embodiment, clamps attach to opposite walls of a pickup truck, securing a bel... | 05/09/1989 |
| 4827152 | Uninterruptible power supply system An uninterruptible rotating power supply incorporates a sensor of motion and distortion of a stator during interruptions of normal power supply acting on the stator within a synchronous motor, which normally rotates an alternator supplying power to the el... | 05/02/1989 |
| 4815566 | Drain valve and system A drain valve and drain system which includes a gravity drain valve which can be readily installed with common tools, a hose connected to the valve and a drained fluid reservoir. Valve actuation is accomplished by a common tool such as a screwdriver or Al... | 03/28/1989 |
| 4815639 | Infant carrier An infant carrier in the shape of a sling having a supporting strap which forms a loop passing over one of the user's shoulders, across the back diagonally, under the other shoulder and being closed over the chest. A cuff shaped and dimensioned to engage ... | 03/28/1989 |
| 4817044 | Collection and reporting system for medical appliances A collection and reporting system for infusion appliance comprising a battery operated monitoring device connected to the power source of the infusion appliance which monitors its usage for a certain period of time, whereupon the data pertaining to the va... | 03/28/1989 |
| 4804171 | Workpiece holding device A workpiece holding device which wedges against the side of a workpiece during machining operations to provide a clear surface for machining. A tool head having a clamping face and a wedge ramp face is attached to a flexible shaft and support structure. A... | 02/14/1989 |
| 4799982 | Method of molding monolithic building structure Methods of manufacturing a modular, monolithic, integrated, multi-layered, mold building structure including the steps of constructing a dismantleable mold having an outer rigid matrix and an inner inflatable plug, wherein the inside dimensions of the mat... | 01/24/1989 |
| 4792221 | Vertical plane adjusting mechanism for eyeglasses A mechanism forming the hinges between an eyeglass frame and the lateral temple bars which allows for the rapid adjustment of the vertical alignment of the lens frame in relation to the horizontal axes of the temple pieces. The forward end of each temple ... | 12/20/1988 |
| 4792025 | Caddy luggage A suitcase is modified to have wheels at the bottom corners of the rear face of the suitcase, a retractable handle with an offset to secure stacked luggage against the offset, and a spring actuated folding shelf which can grip adjacent luggage items. The ... | 12/20/1988 |
| 4782967 | Medicine vial opener A system for simultaneously rupturing and carrying away a breakable foil seal and packing from a medicine vial or other container which incorporates a string attached to the foil seal with one end exterior of the foil seal and the other attached to the pa... | 11/08/1988 |
| 4776121 | Inflatable sign A self-contained inflatable sign for temporary attachment to prominent portions of structures to provide a highly visible message day or night. The sign is an envelope made from translucent flexible panels which is inflated by a blower within the envelope... | 10/11/1988 |
| 4769033 | Intraocular multifocal lens An intraocular lens, in form of a disk, intended to replace the crystalline lens of a patient's eye, in particular after a cataract extraction, comprises on its distal side an aspherical sector extending approximately from the midline of the disk over one... | 09/06/1988 |
| 4768803 | Jointed tow bar A jointed two bar for towing one vehicle by a second vehicle which incorporates joints in such a way as to allow folding and imprecise alignment during attachment, but a fail safe rigid structure for towing. A rotating cross bar joint on beams can be lift... | 09/06/1988 |
| 4764646 | Distributor cap with adjustable contacts In a distributor cap for internal combustion engines, a multi-positionable contact which can be manually rotated to successively present each of a plurality of contact surfaces to the distributor arm after an adjacent contact surface has become pitted, co... | 08/16/1988 |
| 4762139 | Portable sailboard frame A portable sailboard frame comprised of an upper tubular structure and a lower supporting rack which can be assembled and disassembled because of its modular features. The frame is also multifunctional and facilitates the maintenance of sailboards, surfbo... | 08/09/1988 |
| 4757876 | Foldable tail gate step assembly A collapsible step ladder assembly in combination with a panel of a vehicle such as a tail gate or bed of a pickup truck, having a foldable frame, at least one foldable step or platform, a pair of extension legs, and a pair of articulating joints for conn... | 07/19/1988 |
| 4751514 | Multi-frequency vehicular antenna system An antenna system which operates over a wide spectrum of radio frequencies by utilizing a body of a vehicle as an antenna. The antenna system comprises a tuned impedance-matching coupler and a uniquely-configured floating, low-capacitance coaxial transmis... | 06/14/1988 |
| 4744980 | Ophthalmic solution for treatment of dry eye syndrome A synergistic combination in an aqueous solution of a partially hydrolyzed poly(vinyl acetate) and a fully hydrolyzed poly(vinyl acetate), i.e. poly(vinyl alcohol), exhibiting a low surface tension at the water-air interface, while forming a completely we... | 05/17/1988 |
| 4741497 | Graduated aircraft design and construction method A design and construction method, for a graduated series of aircraft of various sizes, in which development costs are minimized by maintaining a consistent scale configuration from model to model, and production costs are minimized through the use of a un... | 05/03/1988 |
| 4733654 | Intramedullar nailing assembly An intramedular nailing assembly, specifically adapted to the internal fixation of comminuted femoral fractures, which combines a conventional femoral nail, an extension and a set of pins interlocked with the nail and its extension. The extension is desig... | 03/29/1988 |
| 4729347 | Internal combustion chamber A hung combustion chamber for internal combustion engines comprising a cylinder and detachable cooling jacket welded to a cylinder head. The cylinder and the cooling jacket are within a cylinder block, but unsupported by the cylinder block. Coolant is sup... | 03/08/1988 |
