Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 6595778 | Base ten primary teaching kit A kit containing an Instructor unit sized for presentation to a group and multiple Child training units both set up to allow students to visually model and relate addition, subtraction, multiplication, and division in prinmry mathematics.... | 07/22/2003 |
| 6575842 | Putting and chipping training kit A kit containing all the materials necessary to assemble a putting and chipping training unit that may be used in total darkness since a putting cup, golf balls, and direction labels for a golf club head are all equipped with phosphoric markings that glow... | 06/10/2003 |
| 6416464 | Kit for enhanced use of an otoscope Differing shaped fittings to retrofit an otoscope to use to inspect and remove foreign material from a nose or an ear depending upon need and fittings to allow use of foot pressure or finger pressure to vary internal pressure in the otoscope are provided ... | 07/09/2002 |
| 6223356 | User shapeable elevator base for toilets A foam type elevator base that may be purchased large enough to fit most commodes and that is easily cut with a sharp tool or a hot wire and that is given a finished look using a thin plastic cover fastened adhesively over the edge is disclosed.... | 05/01/2001 |
| 6193637 | Upper body exercise device A series of open dumbbell shaped connectors, each with a male end and each with a female end, sized so that a male end may be snapped into a female end to form a series that may be connected at each to a handle, with the series having sufficient resistanc... | 02/27/2001 |
| 6193987 | Lubricating composition for hands and skin A topical transdermal delivery system for lubricating and alleviating distressed skin conditions of the hands, and skin. It has as its constituents a mixture of organic safflower oil, flaxseed oil, tincture of benzoin, and organic beeswax blended in a cre... | 02/27/2001 |
| 6170825 | Dual level board game and method of play Dual hexagon shaped playing fields composed of smaller hexagons of two different colors vertically separated for visibility with each player starting with the same number of three different shaped playing pieces with each piece being limited differently i... | 01/09/2001 |
| 6131324 | Adjustable dual stage trigger assembly A dual stage trigger assembly including a spring loaded hammer, a spring loaded trigger, a disconnect lever, a torsion spring adjustment plate, springs, and user available adjustment screws whereby a sear face of the trigger fully engages a notch in the h... | 10/17/2000 |
| 6113142 | Protective cover A protective cover over the surface of machinery such as an automobile or airplane protects the vehicle from both rain and hail with dish shaped individual units fastened to a heavy cloth with the dish shaped individual units preventing direct impact and ... | 09/05/2000 |
| 6001059 | Otoscope retrofit to allow multipurpose use An otoscope retrofit speculum extension with a sidearm thereon connectable to a vacuum source to pull a vacuum in the interior of said retrofit extension to pull and to hold a foreign body against an end of said extension to allow removal of foreign bodie... | 12/14/1999 |
| 5975638 | Pillow for sleeping upright in a chair A dual unit to gently and user adjustably support a user's head from slumping either too much forward or too much to either side while allowing proper air circulation for user comfort when the user is in an upright position with the unit releaseably held ... | 11/02/1999 |
| 5970877 | Gun propellant coating A coating for a gun propellant powder wherein the graphite commonly used to coat a gun propellant powder is totally or partially replaced with molybdenum disulfide in an amount equal to or less than five tenths percent by weight of the propellant powder.... | 10/26/1999 |
| 5951524 | Guard and holder for various sized tubes A transparent flat circular rigid plate a minimum of three inches in diameter with a minimum of four holes clustered around a central point and sized to closely fit vacutainer tubes with hole cover plates rotatably installed to cover any unused holes. Wit... | 09/14/1999 |
| 5938590 | Otoscope retrofit kit to allow multipurpose use A removable Tee piece to allow connecting to a vacuum source to pull a vacuum in the interior of an otoscope and to allow finger pressure control of the interior vacuum and a plastic foreign body remover extension of the speculum holder of the otoscope al... | 08/17/1999 |
| 5934658 | Cylinder clincher for immobilizing dot gas cylinders Dual posts mounted to a base with a support bar with a winch on one end fastened at right angles to the rearward side of the dual posts and a non stretchable belt fastened at a beginning end to one of the posts and pulled around the cylinder to be immobil... | 08/10/1999 |
| 5928050 | Toy and creativity training kit A finger pressure sculptural and remakable toy comprising a stretchable container such as latex partially filled with an edible or non harmful shape retaining substance with the container having surface properties to allow marking on the surface with a no... | 07/27/1999 |
| 5926441 | Sun synchronized timer for an animal feeder A Microprocessor controlled timer particularly adapted for control of an animal feeder with a display of program items and with user settable feeding times and duration of such feeding times based upon the microprocessor calculated sunrise and sunset time... | 07/20/1999 |
| 5913508 | Multipurpose reusable safety rail assembly A group of posts, rails, right and left side L shaped post to rail connectors, base plates, and toeboard holding plates to allow temporary or permanent installation of a safety guard rail system with two or more guard rails that may be used as a guard rai... | 06/22/1999 |
| 5878595 | Compact portable icemaker A continuously operable portable icemaker charged with an ammonia solution and pressured to about 450 pounds per square inch with hydrogen and powered with a source of heat to cause percolation of the ammonia solution acts to freeze water charged into a r... | 03/09/1999 |
| 5857280 | Low pressure trigger pull with cocked position safety for a semiautomatic firearm A trigger mechanism for a semiautomatic firearm whereby a spring loaded hammer strut acting through a lever system puts a light pressure to hold a sear in a locked position and whereby recoil after firing causes the sear to return to a locked position bef... | 01/12/1999 |
| 5845354 | Multipurpose house and shop tool A multipurpose tool useable to open container caps, to hammer nails, to pull nails, to act as a screw driver, to loosen and tighten a nut, to open bottle caps, to pry off lids, to act as s vice grip tool and to act as a C clamp.... | 12/08/1998 |
| 5839660 | Auxiliary sprinkler system controller to maintain healthy turf with minimum water usage An auxiliary sprinkler system control unit that interrupts a sprinkler system when ambient temperature is below thirty six degrees and when wind velocity is above ten miles per hour and when one half inch of water has been measured and delays the sprinkle... | 11/24/1998 |
| 5832845 | Equipment for molecular decomposition of hazardous wastes using a molten media reactor A modular system using molten aluminum alloy for degradation of wastes to innocuous molecular products using a central molten alloy heat source unit and separate reactor units for differing wastes. The molten alloy is pumped to the reactor units and retur... | 11/10/1998 |
| 5829069 | Jet bath having multiple accessories A jet bath designed to use minimum water, to use a formed in place low cost waterfall type water inlet, to have pulsating and massaging air-water jets appropriately located in the tub, to allow user adjustment of water temperature, to prevent heating the ... | 11/03/1998 |
| 5823241 | User fittable venetian blinds for differing arched windows A user fittable and user mountable blind for an arched window comprising a minimum of two rigid slat hangers with angled slots to hold trimmable slats as long as the widest part of the window in the hangers and adjustable hinges with one short side to con... | 10/20/1998 |
| 5782020 | Method and equipment for simultaneous excavation and land refill with minimum operating labor An excavator with a wireless controlled hopper-spreader allows a single operator to strip off topsoil and spread the stripped off soil more or less evenly after a mineable substance such as gravel is removed. The hopper-spreader uses about a fifty foot co... | 07/21/1998 |
| 5775105 | Combination nozzle and valve with variable geometry for increased power recovery from internal combustion engine exhaust gas This invention comprises a cam driven plug that opens and closes exhaust valve ports in an engine cylinder and while it moves to open forms an optimum variable geometry nozzle for the exhaust gasses exiting from the cylinder to impart maximum velocity ene... | 07/07/1998 |
| 5775913 | Process for minimal time tooth capping A method for making caps of eight different sizes for each of a persons teeth allows premaking caps that will fit almost any tooth of any patient; caps are preferably prepared from a commercially available quartz or silicon dioxide filled acrylic material... | 07/07/1998 |
| 5752837 | Tool kit for facilitators and trainers A kit or cohesive group of reusable elements to aid a facilitator or trainer to enhance interchange and organization of group discussions comprising portable foldable backboards, plastic erasable, reusable recording sheets, at least one process display wa... | 05/19/1998 |
| 5715691 | Portable ice maker A compact no moving part refrigeration unit powered with a flame driven generator is contained along with a propane cylinder and necessary controls in a cylindrical upright unit with an expanded base; the unit is sized to make four to eight pounds of ice ... | 02/10/1998 |
| 5701885 | Pressure equalizing scuba diver mouthpiece and accessories A scuba diver mouthpiece that is held in place between users' molars and bicuspids using flexible partially fluid filled retention arm segments with an offset in the mouthpiece and pressure equalizing channel between retention arm segments to allow comfor... | 12/30/1997 |
| 5655230 | Auxiliary urinal retrofit for a commode An auxiliary urinal retrofittable to an existing commode. The urinal is connected to a base plate which is placed between the base of the toilet and the floor and allows the urinal to drain liquid into the drain used by the commode. The urinal has a cup s... | 08/12/1997 |
| 5654825 | Line obstruction marker ball with enhanced daytime and nighttime visibility An enhanced daytime and nighttime visibility marker for electrical lines is disclosed in two embodiments. Both embodiments are shaped to give visibility from all angles and to allow smooth covering with retroreflective tape. One embodiment includes a cont... | 08/05/1997 |
| 5628369 | Machine for revitalizing golf course greens A machine designed to automatically and economically remove spaced earthen plugs, fracture the soil around holes formed by the plug removal, fill the holes with earthen material and tamp and crimp the grass to provide a revitalized golf green that rapidly... | 05/13/1997 |
| 5597976 | Thermoelectric generator and magnetic energy storage unit with controllable electric output The invention encompasses a torus formed by heated and cooled junctions of dissimilar metals such as copper and nickel to generate a low voltage current and form an electrical path of greatly enhanced conductivity wherein a greater current flow may be ind... | 01/28/1997 |
| 5584605 | Enhanced in situ hydrocarbon removal from soil and groundwater The invention encompasses a process and equipment for an aggressive approach to remediation of specific hydrocarbon contaminated soil and groundwater using horizontal sparging pipes in or below the contamination with a matrix of vertical pipes that act to... | 12/17/1996 |
| 5576433 | Fluorescent calcium indicators targeted to specific intracellular environments The present invention discloses several new calcium indicator dyes which are retained in the cytosol or which bind to cellular membranes and report calcium levels near the membrane. These indicators are analogs of a previously described tetracarboxylate c... | 11/19/1996 |
| 5570825 | Rear mount bicycle carrier rack for motor vehicles A rack particularly suited for carrying one or more bicycles held firmly in place with a three point connection without the necessity for removing a wheel and with the rack extensible to allow moving the loaded rack with minimal effort to gain access to t... | 11/05/1996 |
| 5564351 | Equipment and process for molecular decomposition of chlorinated hydrocarbons A process and equipment for pyrolytic decomposition of chlorinated compounds in a molten metal bath in the absence of air to elemental products with recovery of the carbon and chlorine is disclosed.... | 10/15/1996 |
| 5553558 | Equipment and process for surface treatment of hazardous solids and slurries with molten alloy A process and equipment for treating a solid or semi-solid waste by moving the waste across a surface of a reactive metal alloy in an oxygen deficient atmosphere and separating for recycling the resultant dissolved metals while feeding the resultant off g... | 09/10/1996 |
