Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 4929111 | Tool manipulating harmonic balancer The tool for permitting a wrench to turn a harmonic balancer and crank shaft connected to the same. The tool employs a base which may be fixed to the harmonic balancer. The base includes an opening bored through the base to form a cavity. The cavity inclu... | 05/29/1990 |
| 4901897 | Convertible garment bag with alternate carrying means A convertible garment bag is fabricated with alternate carrying means to permit the bag to be transported by the luggage handle, a shoulder strap or a backpack harness, thereby enabling a traveler to include in a single bag both formal wear and casual wea... | 02/20/1990 |
| 4896079 | Bi-level switch A control mechanism for use with a fluorescent lighting unit having at least first and second lamps utilizing a line switch. The mechanism includes an AC toggle which alternately interrupts and connects electrical power from a source to one of the first a... | 01/23/1990 |
| 4884811 | Puzzle apparatus A puzzle apparatus utilizing a curved member having a convex outer surface and a concave inner surface. A plurality of interlocking pieces are employed, each possessing a concave surface conforming to the convex outer surface of the curved member. Each of... | 12/05/1989 |
| 4875672 | Swing board toy A toy utilizing a platform having first and second sides. A post extends the platform from one side to another and connects to an arm linked to a wheel. The wheel bears on the underside of the platform. The user is supported on the top side of the platfor... | 10/24/1989 |
| 4873403 | On-off switch system for a pair of conductors An ON-OFF switch system for use between first and second conductors utilizing a first plate having first and second sides. The second side of the face plate includes an appendage which contacts an arm passing through a second plate. First and second plate... | 10/10/1989 |
| 4866879 | Seed tape planting system A device for planting seed tape including a support structure which moves along the surface of the soil. The seed tape is advanced relative to the movement of the support structure and is cut repetitively at selected intervals. The severed seed tape is fo... | 09/19/1989 |
| 4866584 | Indirect luminaire An indirect luminaire mounted adjacent a surface for illuminating the same. The luminaire possesses a first reflector positioned such that the source of light lies intermediate the first reflector and the surface. The first reflector includes an edge port... | 09/12/1989 |
| 4865640 | Moisturizing agent A moisturizing substrate for plant and animal tissue utilizing a mixture of cellulosic compound with carboxylic groups substituted on glucose units of cellulosic chain through an ether linkage. The cellulosic compound is admixed with a hydrated metallic s... | 09/12/1989 |
| 4863310 | Paving apparatus A road shoulder paving box, movable along a surface to be covered with paving material including carriage. The carriage rolls or skids along the surface to be paved and provides a receiver for accepting and holding paving material. The carriage also inclu... | 09/05/1989 |
| 4856575 | Window assembly for segmented structure A window for a segmented edifice utilizing three frames, each having a plurality of openings through the same. The first two frames sandwiched the segmented edifice and are held in such configuration by a multiplicity of fasteners. A third frame having a ... | 08/15/1989 |
| 4856111 | Perspiration shield A disposable perspiration shield generally for use with an upper torso garment utilizing a first layer of adsorbent tissue which lies next to a second layer of adsorbent material. A third layer of adsorbent swab material is protected on one side by the se... | 08/15/1989 |
| 4852450 | Fingerboard for a stringed instrument A fingerboard or fret board for a stringed instrument utilizing a neck portion including a surface over which a plurality of strings are tensioned between a saddle of a bridge and a nut. Also, included are a series of straight frets which are aligned in a... | 08/01/1989 |
| 4843821 | Multicylinder compound engine A compound rotary-reciprocal engine with multiple cylinders of a reciprocator component coupled to a positive displacement, rotary compressor-expander, with systems for coordinating the cycle timing of each cylinder with the timing of the rotary compresso... | 07/04/1989 |
| 4835667 | Thermal protector device for a lighting unit A device for detecting the level of heat generated by a lighting unit utilizing a sleeve possessing an end portion positioned adjacent to the exterior of the housing, an interior portion, and an exterior portion. A thermal protector is positioned at the i... | 05/30/1989 |
| 4824058 | Table base A universal support member for a platform which utilizes an elongated member extending along an axis having a selected length. The elongated member includes a thickness dimension along the axis. A pair of slots are also constructed in the elongated member... | 04/25/1989 |
| 4822003 | Valve for fire extinguisher A valve, particularly useful in a fire extinguisher, which utilizes a stem movable in a passageway having a head connected to the stem. The head includes a relatively hard member possessing a hard outer surface which fits snugly within the passageway. The... | 04/18/1989 |
| 4820230 | Tossing ring and saucer A tossing ring which is particularly useful in the playing of having an annular body constructed of lightweight foam material. The annular body includes a plurality of flat surfaces on the outer surface of the annulus. Also, included in the annular body i... | 04/11/1989 |
| 4817759 | Access platform for sliding glass windows A portable access platform for access to the outside of conventional sliding glass windows the access platform having a clamping unit that clamps to the window sill of the open portion of the window unit when one of the windows is slid aside, an elongated... | 04/04/1989 |
| 4806435 | Seam for inpenetrable material A seal for connecting abutting first and second elastomeric sheets having overlying metallic portions including an elastomeric strip. The elastomeric strip is bonded to the elastomeric portions of the first and second sheets. A metallic plug is attached t... | 02/21/1989 |
| 4803586 | Voltage control module A wall box mounted remotely operated voltage module utilizing a low voltage DC control signal which is remotely generated. A power semi conductor device is triggered to deliver a predetermined amount of power from the source of AC electrical power to a lo... | 02/07/1989 |
| 4773170 | Cushioned heel inset for post-operative shoe A cushioned heel inset for an orthopedic, postoperative shoe. The shoe has a lightweight, rigid orthopedic sole with a skid proof outer sole and a cushioned inner sole, the heel of the rigid sole having a recess for inset of a cushioning pad which interfa... | 09/27/1988 |
| 4772825 | Panel for controlling lighting scene A panel controlling multiple lighting intensities of a multiplicity of lights in conjunction with a remote lighting dimmer module which utilizes operators mechanically movable to operate potentiometers. Each potentiometer is capable of setting an intensit... | 09/20/1988 |
| 4763535 | Pipette mechanism A dashpot piston mounted in a closed chamber is coupled by an axially movable shaft to a pipette piston to regulate return movement of the pipette piston within a pipette cylinder to draw fluid into the cylinder. The dashpot shaft is movable within limits... | 08/16/1988 |
| 4760507 | Electrical lighting fixture having variable distribution characteristics A lighting fixture utilizing an electrical lamp connected to an electrical power source. The fixture entails a base member which is rotatably mounted to an object. A body is also provided which supports the electrical lamp. The body includes a first end p... | 07/26/1988 |
| 4751626 | Reflector system for a luminaire A reflector system for a luminaire having an electric lamp which includes a first reflector and a second reflector extending along opposite sides of the lamp. A cross baffle is located between the first and second reflectors and includes reflecting surfac... | 06/14/1988 |
| 4750096 | Fluorescent light fixture A fluorescent light fixture which employs a lamp fitting, electrical ballast, and a base which are inter linked, to mechanically and electrically, to connect to a fluorescent lamp to an electrical socket. A heat conductive housing and a spacer mechanism t... | 06/07/1988 |
| 4729414 | Animal water dispensing device A water dispensing device utilizing a trough which is fed by a faucet having a valve which controls the flow of water from a pressure source. A platform having first and second end portions is positioned adjacent the trough. One end of the platform is sus... | 03/08/1988 |
| 4727452 | Conductor device for footwear A thermal and electrical conductor device constructed for installation on footwear for eliminating heat and static effects particularly where the soles and heels of the footwear are fabricated of man-made materials, the conductor device comprising a first... | 02/23/1988 |
| 4717147 | Weight lifting device A weight lifting device which utilizes a post having a flange fixed to one end of the post to form a base. The post and flange retain disc shaped weights commonly used in weight lifting equipment. A bar is also employed as a gripping mechanism and is rota... | 01/05/1988 |
| 4714860 | Ion beam generating apparatus An ion generating apparatus utilizing a vacuum chamber, a cathode and an anode in the chamber. A source of electrical power produces an arc or discharge between the cathode and anode. The arc is sufficient to vaporize a portion of the cathode to form a pl... | 12/22/1987 |
| 4705064 | Safety seal for an operating lever A safety seal for an operating lever utilizing a cap which is capable of covering at least one end of the lever pin extending to one side of the lever. The cap is connected to the other side of the lever pin by a tether. The cap and tether are reuseable a... | 11/10/1987 |
| 4704779 | Tool for torquing rotatable members A tool for separating or assembling first and second relatively rotatable members. Such members are stopped from such rotation by a shear pin after assembly and require breaking of the shear pin for separation. The tool utilizes first and second portions ... | 11/10/1987 |
| 4705229 | Compact apparatus for laying paving fabric A device for supporting a roll of material to a vehicle including a pair of arms pivotally attached to a frame. The roll supporting device includes a winch attached to the frame and a pulley attached to each arm. A pair of pulleys on the frame guide a win... | 11/10/1987 |
| 4700728 | Device for cleaning paint rollers A device for cleaning paint rollers having a handle and roll utilizing housing for enclosing the roll. The roll is mounted in the housing permitting rotation of the roll in relation to roller handle. A nozzle directs paint cleaning fluid to the rotatably ... | 10/20/1987 |
| 4701832 | Luminaire for roadway and area lighting A luminaire utilizing a source of light which is reflected outwardly from the luminaire by a first and second reflector in side-by-side configuration. The second reflector is also positioned to one side or in surrounding relationship to the source of ligh... | 10/20/1987 |
| 4699439 | Track lighting adapter An adapter for electrically and mechanically attaching a lighting fixture to a lighting track which utilizes a body having first and second end portions. The first end portion of the body connects to the lighting track while the second end portion of the ... | 10/13/1987 |
| 4699330 | Apparatus for laying paving fabric The vehicle mounted apparatus for laying paving fabric from a roll on a surface utilizing a first structural member having a lateral transverse dimension. A second structural member also includes a lateral dimension in a spaced relationship from the first... | 10/13/1987 |
| 4694606 | Seeding process and apparatus A device for planting seed tape including a support structure which moves along the surface of the soil. The seed tape is advanced relative to the movement of the support structure and is cut repetitively at selected intervals. The severed seed tape is fo... | 09/22/1987 |
| 4695371 | Nonaqueous coal cleaning process A process for coal cleaning providing a method of cycloning fine particle coal for cleaning the cola of ash and pyrites, the method including steps of demoisturizing the coal by immersing the coal in an elevated temperature, non-aqueous liquid and cycloni... | 09/22/1987 |
