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| Number | Title | Issue Date |
| 6570508 | Thin pack remote environmental monitor system A monitor of measurable environmental conditions, contained in a thin, watertight envelope with an electronic processing circuit, liquid crystal display, operating in the positive or negative mode and a two way r/f or infrared spectrum communication syste... | 05/27/2003 |
| 6336422 | Full tank marker An indicating device, for a pressurized tank having a slotted cap covering a valve attached to the tank, has a flexible arcuate bifurcated body member. The flexible arcuate bifurcated body member has a first arm member and a second arm member forming a re... | 01/08/2002 |
| 6257733 | Illuminated walking staff A walking staff with a battery powered illuminator unit at one end including a glass sphere and multiple visible light sources positioned so as to create beams of light at selected angles outside the sphere.... | 07/10/2001 |
| 6155207 | Add-a-step Portable steps for small pets that includes one or more step assemblies adapted to stack one on another to a desired height.... | 12/05/2000 |
| 6106130 | Personal lighted and reflective safety system with shoulder straps for pedestrians A pair of straps configured to resembled suspenders are fitted with lights and electrical circuits which when combined with a power pack radiate flashes of visible light. The power pack may be carried on a belt to which the straps are attached. The circui... | 08/22/2000 |
| 5950815 | Universal frame for mounting earrings and other jewelry A universal holder for post and open hook jewelry, including close loop jewelry that is capable of standing, hanging and stacking by means of appropriately space plane surfaces. A soft plastic mesh supported by a frame with hinged and locking legs and a k... | 09/14/1999 |
| 5836310 | Patient supporting gate vest The invention is a vest formed from mesh material for assisting ambulatory patients move about. The vest is formed of a single piece of material with a hole in the center for the head and recesses that form arm holes when the material is folded over the b... | 11/17/1998 |
| 5782025 | Concealed buckle gun A concealable firearm in the form of a belt buckle with one or more gun barrels and decorative cover plate. Firing pins are cocked from behind the block of steel forming the gun and a slidable trigger plate locks the firing pins in the cocked position and... | 07/21/1998 |
| 5717164 | Electrical outlet box assembly An electrical outlet box assembly has a first outlet box section and a second outlet box section intimately connected to the first outlet box section. A forward end of the second outlet box section has a height less than the height of a rearward end. A fi... | 02/10/1998 |
| 5694826 | Lacing stitch starter tool A hand held tool for starting lace stitching or braiding, including a firm, stabilizing ridge about the perimeter with a relatively thin, flexible plastic panel within the perimeter. The panel includes a systematic scheme of holes that are interconnected ... | 12/09/1997 |
| 5564344 | Transportable pallet A transportable pallet runner for moving and storing light to moderate loads comprising a plurality of spaced runners of bonded corrugated cardboard having flutes parallel to the force of the load and a spacer panel affixed to the runners to secure their ... | 10/15/1996 |
| 5551773 | Universal mobile workbench A mobile work bench including a top with a lip for preventing parts from rolling off and as a gripping surface to move the bench. A container under the top for storing parts and tools, a hinged door provides access to the area. A recessed area at one end ... | 09/03/1996 |
| 5511850 | Child's automobile safety seat A children's automobile safety seat including an L-shaped frame, a seat portion and a backrest portion constructed as an integral unit, both of which are connected to the L-shaped frame. A padded, C-shaped safety bar is attached to the L-shaped frame such... | 04/30/1996 |
| 5496609 | Protective bumper The invention is directed to a bumper to be attached to furniture and the like for protecting persons, in particular children, from injuring themselves on the sharp edges and corners. The bumper is formed of a deformable shell filled with a soft resilient... | 03/05/1996 |
| 5487576 | Air management system filter removing tool and metallic debris retriever A telescoping hand tool for retrieving filters or metallic debris in the duct work of air management systems where the tool is formed from non-metallic materials and employs a hook designed to remove a filter without significantly damaging the filter fram... | 01/30/1996 |
| 5480318 | Childproof electrical plug A common, grounded three-conductor male electrical plug including in the grounded blade a spring biased catch for engaging the walls of a female receptacle and locking the plug in the receptacle. An aperture in the plug allows a non-conductive tool to mov... | 01/02/1996 |
| 5477928 | Soft turf wheel adapter for lawn maintenance equipment The invention provides extension links for lawn maintenance equipment to move the front axle forward and allow oversize wheels to be used, increasing flotation capability for soft soil while maintaining the height adjustability.... | 12/26/1995 |
| 5475879 | Swimming pool overflow protector A system for overflow protection for swimming pools and tanks that conserves water by taking excess water from the bottom of the tank including a weighted hose directed near the bottom of the tank and connected to the protector. The protector has inlet, o... | 12/19/1995 |
| 5471868 | Instrument for measuring the relative resiliency of golf greens A gauge for measuring the relative resiliency of golf greens including a barrel shaped device with a base having foot pads to hold the instrument on the green and a calibrated spring to drive a measuring tip into the turf and a scale indicator attached to... | 12/05/1995 |
| 5472025 | Universal funnel adaptor An adaptor for stabilizing a funnel in the opening of a container consists of a body of metal or plastic which contains a central bore internally threaded at each end for accepting the threaded stem of a funnel. The body is externally threaded on one end ... | 12/05/1995 |
| 5453092 | Locking system for hypodermic syringes A locking system for hypodermic syringes including a barrel and pistons where the barrel contains a plurality of detentes surrounding the piston in the "full in" position. A floating ring slides in a channel on the piston, restraining the detentes from en... | 09/26/1995 |
| 5448459 | Clip-on penlight A small, self contained light, swivel mounted on a clasp that will grip cylindrically shaped objects including pens, pencil and fingers. The cone shaped light body includes a lens, reflector, bulb, battery and switch.... | 09/05/1995 |
| 5411344 | Safety marking pen for small children A marker pen having a clear plastic disk at one end and a clear plastic hemispheric shaped member at the other end, proximate the nib whereby a small child can write or draw in a normal fashion, see through the plastic the results of his endeavors but is ... | 05/02/1995 |
| 5398361 | Vacuum cleaner for submerged non-parallel surfaces A vacuum cleaner head for simultaneously use on submerged non-parallel surfaces, such as the bottom and side of a swimming pool. The cleaning head is divided into multiple parts, connected so that certain parts may rotate up to an angle of almost ninety d... | 03/21/1995 |
| 4329643 | Portable circuit testing system A portable system for testing and adjusting security alarm system modules where an alarm module is removed from the security system and inserted into the test system, an adapter card, connected to the test system, replaces the module, whereby the alarm sy... | 05/11/1982 |
| 4326334 | Hand held restraining cutter A hand held tool for cutting hard materials such as wire, having a pair of jaws which close around the material to be cut and including a resilient "U" shaped material affixed to the jaws and adapted to roll back while gripping and holding with variable f... | 04/27/1982 |
| 4323851 | Wide range multiple time mark generator A time pulse generator producing selectively, singular or multiple output pulses over a range from 1 sec to 10 seconds with provision for preselected reset. Additional features include an output for all pulses, an output increasing as the sum of the numbe... | 04/06/1982 |
| 4283755 | Modulator multilayer detector Infrared detector arrays have focal plan processing in modular form mounted on stacked boards, where the processing integrated circuits are recessed in adjacent boards.... | 08/11/1981 |
| 4279070 | Method of making integrated waveguide cavities This invention provides a method for forming a waveguide cavity as a step in the process of diode fabrication. Semiconductor diodes are formed in a conventional manner. A plate of waveguide material having a thickness equivalent to waveguide height and sl... | 07/21/1981 |
| 4274049 | Integrated optical R-F spectrum analyzer A compact lens-less spectrum analyzer where a laser impinges upon a distributed Bragg deflector via a slab-coupled optical waveguide and is bent 90 degrees. A surface acoustic wave transmitter controlled by an R-F frequency puts out a traveling strain wav... | 06/16/1981 |
| 4267484 | Parallel multi-electrode spark gap switch A spark gap switching device for high peak currents including a pair of main electrodes with protruding, opposing sub-electrodes, surrounded by high permeability cores typically of ferrite material. Small air gaps separate the sub-electrodes. The switch i... | 05/12/1981 |
| 4267514 | Digital phase-frequency detector A digital phase-frequency detector which provides rapid frequency acquisition and phase control when used in phase-locked loop applications. In a locked condition the output of a pair of flip-flop circuits are high causing an EXOR gate to produce a detect... | 05/12/1981 |
| 4251765 | Aircraft electrical system tester A portable tester for trouble shooting aircraft electrical systems, particularly condition warning systems including a housing having a plug, adapted to connect a wiring harness from the master controlling display unit, and circuitry which simulates vario... | 02/17/1981 |
| 4244189 | System for the multipurpose utilization of solar energy A solar energy system where the incident solar radiation evaporates a quantity of water in a distillation pond; the water vapor/air mixture rises buoyantly through a duct to a high elevation where it drives a wind turbine to produce electricity; the water... | 01/13/1981 |
| 4238716 | Miniature vehicle dispenser spin-up speed control system A precision motor speed control system where a reference generator produces pulses for each revolution of a dispenser shaft, the time between pulses is measured and compared to a preselected standard, a time greater than standard will generate a pulse cau... | 12/09/1980 |
| 4227232 | Clutch protection circuit A circuit for the protection of devices from power line transients and accidental shut-down requiring operator performance for restart including a push button switch for resetting holding relays to operate the apparatus.... | 10/07/1980 |
| 4219774 | Automatic eddy current surface probe for fastener holes An eddy current flaw detector is held in a mounting block by a spring bias, the mounting block is selectively rotatable about a shank member for varying the radius of the detector as the shank rotates about a pivot point, turned by an electric drive mecha... | 08/26/1980 |
| 4215634 | Mechanical munition flight environment sensor An environment sensing system that prevents rotation of a grooved rotor surface mounted on a shaft, with a ball, until a deceleration force causes the ball to climb an inclined surface, a bias spring causes the detent grooves to maintain alignment with th... | 08/05/1980 |
| 4207520 | Multiple frequency digital eddy current inspection system An apparatus for inspecting for cracks under installed fasteners and the like using a multiple frequency digital eddy current system. A computer with a plurality of digital arrays generate drive signals which are converted to analog and applied to the tes... | 06/10/1980 |
| 4207594 | Electronic indirect measuring system A system and method of using a bore scope with an attached video system, the true field of view is measured, cross hair lines are generated on the video monitor and measured for extremes of field and again bracketing the object, a ratio is formed and is u... | 06/10/1980 |