Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7971623 | Adjustable garage door window frame and method of installation A window frame assembly for installation within a garage door having front and rear exposed surfaces and one or more window openings. The assembly includes front and rear window frame members of injection molded plastic which are installed within the door opening on... | 07/05/2011 |
| 7946332 | Gate A gate includes a gate leaf which is movable between a closed and an open position, and a plurality of gate leaf elements, which are tiltable. The gate leaf includes a door leaf which is swingable around a pivot axis extending perpendicular to the tilt axes. When cl... | 05/24/2011 |
| 7490654 | Rolling door assembly having pass door arrangement A rolling door assembly for selectively covering an opening in a building includes a shutter roller rotatable about a substantially horizontal axis and a flexible panel windable on and off the roller for movement into retracted and extended positions, respectively. ... | 02/17/2009 |
| 7451798 | Window blind system The present invention discloses a window blind system, comprising a shading arrangement and an alternating hanging device vertically extended downwardly to support a plurality of slats in position, wherein a predetermined portion of the slats are both supported by t... | 11/18/2008 |
| 7438113 | Window covering having operable segments A window covering has a headrail, a plurality of lift cords extending from the headrail and a plurality of shade elements positioned sequentially below the headrail. Each shade element has an upper edge and a lower edge which edges are substantially parallel to one ... | 10/21/2008 |
| 7308927 | Window blind system The present invention discloses a window blind system, comprising a shading arrangement and an alternating hanging device vertically extended downwardly to support a plurality of slats in position, wherein a predetermined portion of the slats are both supported by t... | 12/18/2007 |
| 7275580 | Roman style shade A window covering having a plurality of panels comprising a head rail and a plurality of panels suspended from the head rail by a securement member and at least one opening member is provided. Each of the plurality of panels is collapsible and includes a pair of opp... | 10/02/2007 |
| 7213368 | Apparatus for vertical sliding pet door The vertical sliding pet door can be used to let pets in and out easily by themselves. The pet needs to be trained in the usage of the pet door, and it also protects the house from unwanted bugs and other creatures such as rodents, as it closes as soon as the pet ge... | 05/08/2007 |
| 7201206 | Sectional lifting door or folding door A segmented lifting or folding gate, which is vertically movable and has a plurality of segments, adjacent segments being pivotable relative to one another at their ends along horizontally extending pivot axes, comprising a door, which includes cases and a door leaf... | 04/10/2007 |
| 7152371 | Swing flap for the entry and exit of small pets with last transit direction indicator A swing flap (10) for the entry and exit of small pets, which comprises a frame (812), which can be fixed to an opening (13) made in a door or a wall, equipped at the top with hinged means of constraint for a flap (22), and having a strip... | 12/26/2006 |
| 7097891 | Door seal A partitioning device for sealingly closing an opening in a working surface is provided. The partitioning device generally includes a panel having a sealing side including a perimeter portion. An adhesive trim is disposed about the perimeter portion on the sealing s... | 08/29/2006 |
| 7059379 | Low head room overhead door system with adjustable short radius track section A universal overhead door system includes a pair of horizontal track members, a pair of vertical track members and a pair of track radius members interconnecting the horizontal and vertical track members. A pair of adjustable short radius members extend from the tra... | 06/13/2006 |
| 6634407 | Through-screen access assembly for hoses, power cords and the like A through-screen access assembly for hose, power cords and the like for allowing a user to pass power cords, hoses or the like through a screen. The through-screen access assembly for hose, power cords and the like includes a first through-screen access m... | 10/21/2003 |
| 6390112 | Tent door/door frame structural unit permanently attached around a tent's wall opening and which folds around a rolled up tent A tent door is hinged (44) and spring assisted to close the door and hold the door in a closed position against a bug-stopping weather-strip (18) attached to the surface of a door stop along the inside perimeter of a door frame. After entering or exiting ... | 05/21/2002 |
| 6227278 | Swing door and roll-up door with plural door facade A combined swing door and roll-up door having upright front frame members projected outwardly from sheet members to provide a front facade of a plurality of swing doors. The sheet members have vertical grooves in their exterior surfaces extend generally p... | 05/08/2001 |
| 6006814 | Method and structure for installing an overhead and hinge door combination A method and a structure for dividing a door opening such as a conventional garage door opening and allowing for easy installation of both a side mounted swinging door and an overhead type door. A main post is used for both supporting one of the tracks of... | 12/28/1999 |
| 5988256 | Automatic garage door screen A new automatic garage door screen for covering a garage door opening to let air through while still providing a barrier to insects and debris. The inventive device includes a flexible panel having a plurality of apertures therethrough extending between f... | 11/23/1999 |
| 5934731 | Discharge control for the tail gate of a truck A discharge control apparatus for the rear slide gate on the tail gate of a truck box comprises a rod mounted horizontally across the tailgate from a free beyond one side of the tail gate. The rod is formed in two portions which can divided as a coupler b... | 08/10/1999 |
| 5704884 | Machine tool with slide cover apparatus In a machine tool of the present invention, a spindle head rotatably supports a vertical tool spindle. On the spindle head base, a guide mechanism is provided so as to guide the spindle head in mutually orthogonal first and second horizontal directions an... | 01/06/1998 |
| 5673740 | Shutter equipment for a building A shutter with an emergency exit has blocks attached to it. The projection of the blocks from the shutter match the projection of hinges that hold the emergency exit, such that the shutter winds evenly around a drum in a shutter box. The shutter also has ... | 10/07/1997 |
| 5577541 | Rolling door assembly having pass door arrangement A rolling door assembly for selectively covering an opening in a building includes a shutter roller rotatable about a substantially horizontal axis and a flexible panel windable on and off the roller for movement into retracted and extended conditions, re... | 11/26/1996 |
| 5482414 | Slide cover apparatus for machine tool A slide cover apparatus for partitioning a machining head unit from a workpiece support unit comprises first and second cover assemblies. A main board and plural sub-boards of the first cover assembly are telescopically movable in a first horizontal direc... | 01/09/1996 |
| 5190090 | Toy door assembly A toy door assembly for covering a portal comprises a panel member, a door member, a doorway defined within the panel member, a hinge connecting the door member to the panel member for opening and closing the doorway, and support structure integral with t... | 03/02/1993 |
| 5042555 | Floor-supported movable wall panel with height adjustment system A floor supported movable wall panel system comprises a movable wall panel having opposing sides, an aperture in at least one of the opposing sides, a floor support assembly engagable with a floor, the assembly comprising a floor engaging mechanism, a sup... | 08/27/1991 |
| 4932454 | Window insert A window insert comprising a transparent panel which is slightly resiliently flexible whereby it can be flexed sufficiently to facilitate insertion into a window opening. The flexible, transparent panel includes an aperture having an area at least great e... | 06/12/1990 |
| 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 |
| 4651793 | Pet door flap with slow moving sill A flexible, resilient pet door flap hung in a frame so that it is movable in the horizontal direction between vertical side walls has peripheral Z-shaped edge portions terminating in web portions for effecting a seal against the side walls. The bottom por... | 03/24/1987 |
| 4603723 | Shutter A shutter which has a number of wide slats connected to each other by a hinge mechanism with the slats remaining separate so that an opening for a side gate can be formed at a desired position on the shutter. The slats of the side gate are connected vertically... | 08/05/1986 |
| 4537237 | Louvering overhead sectional door Our sectional overhead door is allowed to louver through machine mechanisms we have designed. The door louvers allowing ventilation, natural lighting, privacy, and security. These features can be utilized while the door is in the closed position, still al... | 08/27/1985 |
| 4383569 | Folding closure A folding closure having an emergency folding door therein which has a height less than the height of the closure. A folding top closure section is provided in the closure above the folding door. Means detachably connect the folding door and the folding t... | 05/17/1983 |
