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| Number | Title | Issue Date |
| 5868437 | Composite pipe structure A pipeline is made by joining a number of pipe sections, each of which includes an inner pipe structure and an outer pipe structure. The outer pipe structure, which may be zinc plated or encased in an protective elastomeric material, includes mating coupl... | 02/09/1999 |
| 5336198 | Hypodermic syringe with needle retraction feature An improved hypodermic syringe includes a needle retraction feature permitting the needle to be fully retracted into the cylindrical cavity of the syringe barrel following the injection of medicine into a patient. The needle is held on the distal end of t... | 08/09/1994 |
| 5316476 | Dental implant with a longitudinally grooved cylindrical surface A dental implant for holding a dental prosthesis in place, after implantation within a hole drilled in bone, includes an upper surface, a generally cylindrical portion with a plurality of longitudinal shallow grooves, and an apical portion. The shallow ci... | 05/31/1994 |
| 5290295 | Insertion tool for an intraluminal graft procedure A tool for the intraluminal insertion and deployment of a tubular graft within a blood vessel includes a flexible insertion shaft with a tapered distal end, a tubular sheath, a deployment slider and a safety locking tube. The deployment slider and the gra... | 03/01/1994 |
| 5275126 | Stabilized hanging bird perch with feeding cup having quick release feature A perch for a domestic bird has a tree suspended from the ceiling or other overhanging structure. The tree portion may be made using a natural hardwood or artificial tree, such as a manzanita tree, suspending its trunk and major branches in a substantiall... | 01/04/1994 |
| 5251849 | Strain reduced airplane skin An aircraft has the space between the bulkheads on the interior of the aircraft filled with a polyisocyanurate solid closed cell foam material. The foam is applied so that it adheres to both the inside of the aluminum skin of the fuselage and the facing s... | 10/12/1993 |
| 5225934 | Kaleidoscope with counter-rotating object wheels A kaleidoscope in a housing includes inner and outer object wheels with transparent portions and visible patterns, mounted to turn in opposite directions when a crank extending from a side of the housing is manually turned. A diffusion filter is mounted a... | 07/06/1993 |
| 5220893 | Rotary internal combustion engine A rotary internal combustion engine includes a stationary housing having one or more housing slots extending to a housing interface surface and a rotor, having one or more rotor slots extending to a rotor interface surface turning adjacent to the housing ... | 06/22/1993 |
| 5197089 | Pin chuck for lithography system A pin chuck holds a wafer during translation by an X-ray lithography machine. The chuck is designed to be the same size as the wafer and includes a plurality of extensions having tops along a common plane. The space between the extensions is evacuated to ... | 03/23/1993 |
| 5165094 | Partially constrained minimum energy state controller A lithographic system, having a stepper and exposure station built on a block of granite attached to the ground using isolation legs, includes a servo control system for providing signals a motor associated with the stepper to control the movement of the ... | 11/17/1992 |
| 5125700 | Security seal A security seal includes a first seal member having a first locking portion and a first detection circuit portion. A second seal member has a second locking portion and a second detection circuit portion. The first locking portion is engagable to the seco... | 06/30/1992 |
| 5120097 | Security seal A security seal includes a first seal member having a first locking portion and a first detection circuit portion. A second seal member has a second locking portion and a second detection circuit portion. The first locking portion is engageable to the sec... | 06/09/1992 |
| 5113864 | Electric field and temperature probe A catheter is used to insert a probe into a tumor undergoing hyperthermia treatment. The probe is designed to isotropically measure the electric field and temperature in the tumor during the hyperthermia treatment. The probe is constructed on a triangular... | 05/19/1992 |
| 5114099 | Surface for low drag in turbulent flow A nonsmooth surface of an object in a fluid flowstream permits a reduction of turbulent drag. The surface shape is designed to approximate a minimal surface and satisfies the equation (V.multidot..gradient.).gradient..PHI.=0, where V is the relative veloc... | 05/19/1992 |
| 5099794 | House for pet cats A one or two story housing unit for a cat includes an enclosure having a roof portion, three solid walls and one port wall containing an opening through which a cat can enter the enclosure. Extending from the port wall is an open top porch area substantia... | 03/31/1992 |
| 5088119 | Necktie having a knot portion, display portion and tail portion with an aligned design when tied A necktie has a central knot portion being positioned between a display portion and a tail portion. In one version, the warp angle of the knot portion is rotated ninety degrees from the warp of the display portion so that the stripes on the knot will be a... | 02/18/1992 |
| 5087309 | Wrist strap and method of making same A slip knot wrist strap attachment for an item of equipment, such as a sport racquet, is fabricated from a single piece of tubular braid. One end of the braid is inserted through the core of the tubular braid from an insertion point thereof and fed throug... | 02/11/1992 |
| 5081965 | Intake valve for internal combustion engine A valve for an internal combustion engine has a stem and head with differing diameters for the stem and the upper portion of the head. A radially irregular blend region placed between the stem and upper head is aligned to have a slight runout, that is, th... | 01/21/1992 |
| 5065315 | System and method for scheduling and reporting patient related services including prioritizing services A hospital computerized system includes a terminal in all departments of the hospital for entering information pertinent to a patient's stay in the hospital. The initial information entered, as a part of the admitting procedure, includes the patient's his... | 11/12/1991 |
| 5062974 | Munitions lubricant and protector A composition for surface treatment of firearms and bullets provide a corrosion resistance and dry lubrication. It comprises an admixture of finely divided molybdenum disulfide and sodium molybdate in an organic solvent.... | 11/05/1991 |
| 5044738 | Wide angle viewing system An optical system for scanning a wide angle conical field of regard through a small aperture and with a narrow field of view device includes a first optical offsetting device rotated about a first axis coincident to the axis of the conical field of regard... | 09/03/1991 |
| 5023998 | Filament holder for a rotating filament vegetation cutter A holder for a monofilament line used in a vegetation cutter, such as a grass trimmer or lawnmower, is divided into four quadrants and has a series of clips between each quadrant through which the monofilament line is woven for being held on the holder. T... | 06/18/1991 |
| 5022277 | Screw and nut machine A ball screw has a plurality of planar tracks of bearing balls arranged around the inner surface of the nut of a screw and nut machine. The shape of each track is designed to fit around a planar cross-section of the screw threads and each of the plurality... | 06/11/1991 |
| 5017012 | Viewing system for surface profiler A previewing profiler includes apparatus to scan the surface of an object and to provide a display relating to the smoothness of the surface at a microscopic level. The system includes providing a polarized collimated laser beam through a Nomarski type pr... | 05/21/1991 |
| 5007200 | Window security system A window bar security system has a grill of bars positioned outside a building window and held by a plurality of standoffs. Two of the standoffs are latching standoffs and extend from opposite sides of the grill through the wall and into the building and ... | 04/16/1991 |
| 5002214 | Medical spray container carrying case A case holds a medical spray container system, including the plastic container and a cylinder of medical fluid which is atomized and dispensed through an opening normally covered by a cap when not in use. The case is fabricated from three strips of woven ... | 03/26/1991 |
| 4981580 | Coincidence arbitration in a flow cytomery sorting system A coincidence arbitration system for a sorting cytomteter which detects and sorts particles using a flow chamber and a stream of droplets. Those droplets containing selected particles are sorted by selectively applying a charge thereto and passing the dro... | 01/01/1991 |
| 4980982 | Picture frame suitable for mailing Disclosed herein is a picture frame made entirely of injection molded transparent plastic material. The frame includes a generally planar front side and a back side divided into a viewing area and a border area. The viewing area is generally planar and th... | 01/01/1991 |
| 4980896 | X-ray lithography system An x-ray lithography system is disclosed in which x-rays are generated by directing a high energy laser beam against a metal target to form an x-ray emitting plasma. The x-rays from the plasma are then directed through a mask towards a resist covered wafe... | 12/25/1990 |
| 4976623 | Portable device for teaching tumbling A tumbling teaching and practice device includes a pair of side supports and a floor support. The floor support is hingedly affixed to be collapsible and thereby permit the device to be compacted for storage when not in use. The floor support includes a p... | 12/11/1990 |
| 4970980 | Inflatable bumper system for water craft Side protectors for a water craft include a base which may be affixed to the hull of the craft and into which fits an inflatable bladder. The protectors are modularized and a plurality of the protectors may be affixed to the craft along either horizontal ... | 11/20/1990 |
| 4969169 | X-ray lithography system An x-ray lithography system is disclosed in which x-rays are generated by directing a high energy laser beam against a metal target to form an x-ray emitting plasma. The x-rays from the plasma are then directed through a mask towards a resist covered wafe... | 11/06/1990 |
| 4966164 | Combined sound generating device and electrical acupuncture device and method for using the same A device for assisting addiction treatment comprising an earphone adapted to be placed in the external auditory canal of a user's auricle, the earphone having an electrode adapted to contact the surface of the auricle, and a buzzer operable to make sounds... | 10/30/1990 |
| 4962929 | Wrist strap for attracting an item of sports equipment to the wrist A slip knot wrist strap attachment for an item of equipment, such as a sport racquet, is fabricated from a single piece of tubular braid. One end of the braid is inserted through the core of the tubular braid from an insertion point thereof and fed throug... | 10/16/1990 |
| 4941381 | Portable business card slit cutter A portable business card slit cutter includes a base member and cutting member which is rotatably affixed to the base member. A pair of triangular shaped cutting blades are affixed to the cutting member and a corresponding pair of receiving slits are posi... | 07/17/1990 |
| 4932577 | Friction feed media driver for a sign plotter A friction feed media drive mechanism for a sign plotter includes a front idler roller and a back idler roller positioned under compression against a drive roller. The compression may be selectively applied by the user depending whether a friction feed or... | 06/12/1990 |
| 4913153 | Personal dosimeter A current detector for detecting the high frequency current flowing in a conductor includes a coil of high resistivity material wound around an non-ferromagnetic core. The coil is arranged in a substantially closed loop configuration around the conductor ... | 04/03/1990 |
| 4899429 | Screen installer tool A screen installer tool includes a handle, a front portion and a rear portion. A circular disk is affixed to the front portioned and a second circular disk is affixed to the rear portion, each of which rotate as the screen installer tool is moved in a for... | 02/13/1990 |
| 4897600 | High frequency ammeter A current detector for detecting the high frequency current flowing in a conductor includes a coil of high resistivity material wound around an non-ferromagnetic core. The coil is arranged in a substantially closed loop configuration around the conductor ... | 01/30/1990 |
| 4896341 | Long life X-ray source target Disclosed herein is an X-ray lithography system having a long life target. The life of the conventional target in X-ray generating systems for use in X-ray lithography systems is increased by providing means by which a single laser pulse can be provided t... | 01/23/1990 |
