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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 8001742 | Muntin bar clip and muntin bar assembly Method and apparatus for making a contoured muntin bar assembly or grid. A tubular muntin bar grid has a first muntin bar formed from an elongated tube having ends that engage a window spacer frame and include side walls that have relatively narrow top and bottom pl... | 08/23/2011 |
| RE40217 | System for securing composite gratings to structural members A fastener system for securing a grating to an underlying structural support member when the grating experiences extremely high wave pressures. The fastening system includes elongated generally L-shaped connectors for fastening the longitudinal edges of grating shee... | 04/08/2008 |
| 7318301 | Window, muntin and method A non-metal window muntin formed from plastic or wood is described for use in hermetically sealed insulated glass windows. The process for forming the muntin includes machining polystyrene sheets which are painted with a latex pain and baked prior to use between sea... | 01/15/2008 |
| 7191567 | Floor frame structure for a manufactured home A floor frame for a transportable manufactured home includes spaced apart perimeter frame members having a vertical wall and two horizontal walls extending therefrom. A plurality of floor joists extend between the spaced apart perimeter frame members and have notche... | 03/20/2007 |
| 7188380 | Fabricated bedstead member This invention relates to a fabricated bedstead, in particular a fabricated bedstead that is applicable to a metal sofa bed or a bunk bed. The invention mainly comprises a bedstead that is made of different lengths of cannular shafts. The invention enables respectiv... | 03/13/2007 |
| 7144201 | Structure and method for supporting headstones and other stonelike objects A structure and method for supporting stonelike objects on soil. The structure comprises a base, at least two sets of a plurality of tabs disposed on the base at respective opposing edges thereof and oriented substantially perpendicular thereto, and a plurality of s... | 12/05/2006 |
| 7134254 | Skylight fall protection safety panel and method of making A skylight fall protection safety panel formed from a single sheet of metal having a predetermined surface area A1 and a plurality of apertures are punched out of at least one central perimeter surface area A3. A2 is as great as or greater than ... | 11/14/2006 |
| 7124546 | Muntin bar connector with positioning tabs A connector for holding an internal muntin assembly away from a perimeter spacer of an insulating glass assembly until the assembler is ready to affix the muntin bar to the perimeter bar using an attachment device. The connector includes a positioning tab for holdin... | 10/24/2006 |
| 7121004 | Method of fabricating security door A security door for a gate or building opening is formed of a metal frame that defines a pair of hollow stile frame members and upper and lower hollow transverse rail frame members. Each of the frame members has an inner face with an attachment flange projecting the... | 10/17/2006 |
| 7104021 | Terminal plug for screwing a muntin bar to a spacer frame of in particular an insulated glass window A terminal for use with a muntin bar or cross includes a muntin bar and a terminal plug. The muntin bar has an end and an outer surface. The end of the muntin bar includes a hollow space and an inner wall. The terminal plug is adapted to be inserted into the end of ... | 09/12/2006 |
| 7036798 | Mobile barrier to control litter and wind A mobile barrier for use in wind control, reduction of blowing litter and suspension and transport of airborne contaminants with applications in areas of landfill maintenance, agriculture, erosion control, and snow control is described. The mobile barrier is a large... | 05/02/2006 |
| 6935078 | Anchor fastener clip The present invention 10 discloses an anchor fastener for mating parts to a channel 30 for, e.g., the attachment of muntin in a window 14 design. The end clip 15 of the preferred embodiment is comprised of molded polymeric material having... | 08/30/2005 |
| 6898914 | Muntin grid assembly and mounting system A muntin bar assembly for a window or door including a peripheral frame; a continuous surface contained within the frame; at least one continuous muntin bar and at least two discontinuous muntin bars on at least one side of the surface. The continuous muntin bar and... | 05/31/2005 |
| 6817146 | Door lite utilizing slump glass and method for forming the same One aspect of the present invention relates to a lite for a building structure. The lite includes a first peripheral caming framework and a first glass unit supported within the first peripheral caming framework. The first glass unit includes a plurality of glass me... | 11/16/2004 |
| 6802163 | Plant-on building enhancement A plant-on is disclosed that saves labor and material cost in producing a raised belly band decorative relief for a masonry building. The plant-on reduces labor costs as it may be applied to the structure by a single person. It is designed for direct application of ... | 10/12/2004 |
| 6601356 | Connector frame for ventilation opening A connector frame for use as a support member for mounting grilles at ventilation openings in a building structure. The connector frame allows the grills to be mounted in slightly different locations to hide imperfections at the edges of the ventilation o... | 08/05/2003 |
| 6447876 | Composite intake louver An improved louver is comprised of a plastic louver frame and plastic chevrons, wherein slots having the profile of the chevrons are cut into the frame, the chevrons are disposed in the slots and bonded to the frame, and a resin impregnated in glass tape ... | 09/10/2002 |
| 6425221 | Method of fabricating muntin bars for simulated divided lite windows A method for fabricating muntin grid pieces includes steps that attach a pair of material strips to opposed edges of the muntin bar element. The material strips may be provided in side-by-side strips that may be separated an simultaneously applied to the ... | 07/30/2002 |
| 6390725 | Fastener for permanently securing composite gratings to structural members An apparatus for permanently securing a grating sheet having parallel and transverse bars that form a pattern of openings to a structural member. The apparatus includes an elongated generally L-shaped connector having an upper plate section generally rect... | 05/21/2002 |
| 6367204 | Method and apparatus for decorating doors Apparatus for displaying images on doors especially sectional overhead garage doors comprises a lattice of interconnected horizontal and vertical members removably attached to each horizontal door panel. The horizontal members are looped around the top an... | 04/09/2002 |
| 6345485 | Multi-sheet glazing unit and method of making same A multi-sheet glazing unit includes a closed spacer frame, the spacer frame has one side having a pair of legs joined to a base to provide the spacer frame with a U-shaped cross-section. An inner sheet has an edge mounted in an edge receiving member mount... | 02/12/2002 |
| 6314690 | High impact extended standoff window screen A high strength window screen frame that includes an extruded metal frame that fits within a window opening in a building. The frame is made up of a plurality of window frame units, each defining an opening and covered with mesh. A standoff leg portion of... | 11/13/2001 |
| 6311445 | Modular louver system A modular louver system is disclosed which utilizes a series of joined frames having the same basic cross section, a series of spacers, and a series of louver vanes having the same v shaped cross section. The frames have a t-shaped channel, with inwardly ... | 11/06/2001 |
| 6276103 | Cover panel brace for partition systems A partition includes at least two vertical posts with upper and lower beams having opposite ends thereof interconnecting the vertical posts to define when in an assembled condition, a rigid panel frame having a substantially open interior. The panel frame... | 08/21/2001 |
| 6230456 | Window insert fastener A one-piece window insert fastener for releasably securing a window insert to a window sash having a generally rectangular shape with a plurality of openings about its periphery, the insert having a generally rectangular-shaped frame with a single pane st... | 05/15/2001 |
| 6192640 | Double divisible connector frame for mounting air grilles and louvers to heating and cooling duct outlets A double divisible connector frame for use as a support member for mounting return grilles and louvers in a building structure which is rectangular in shape and having a planar surface on one side and a pair of precisely-similar spaced-apart continuous re... | 02/27/2001 |
| 6170216 | Grid structure A grid structure capable of withstanding a compressive force comprises a peripheral frame, a plurality of first grid members connected to and extending within the peripheral frame and a plurality of second grid members connected to and extending within th... | 01/09/2001 |
| 6138424 | Vent apparatus for attachment to a building structure Vent apparatus for a building includes a frame within which are positioned two spaced sets of louvers. The louvers of each set of louvers have openings therebetween and the openings of each set of louvers are covered by the louvers of the other set of lou... | 10/31/2000 |
| 6115989 | Multi-sheet glazing unit and method of making same A multi-sheet glazing unit includes a closed spacer frame, the spacer frame has one side having a pair of legs joined to a base to provide the spacer frame with a U-shaped cross-section. An inner sheet has an edge mounted in an edge receiving member mount... | 09/12/2000 |
| 6085481 | Grille for a door or window A grille includes a rectangular metal open frame formed of two main horizontal metal tubes and two main vertical metal tubes, a plurality of transverse metal tubes connected between the main vertical metal tubes, and a plurality of longitudinal metal tube... | 07/11/2000 |
| 5992111 | Glass block construction kit A glass block construction kit comprises a peripheral frame with inwardly directed lips on its opposite sides and an interior frame having an outer wall held by the lips on the peripheral frame. The peripheral frame is made from a plastic material such as... | 11/30/1999 |
| 5987836 | Louver assembly and method for installing a louver assembly A louver assembly and a method for installing the louver assembly into an opening in a wall of a structure are provided wherein the louver includes a frame which and a separate louver section which may be mounted within the frame after the frame has been ... | 11/23/1999 |
| 5979137 | Security door A security door for a gate or building opening is formed of a metal frame that defines a pair of hollow stile frame members and upper and lower hollow transverse rail frame members. Each of the frame members has an inner face with an attachment flange pro... | 11/09/1999 |
| 5911664 | Fastening system for securing composite gratings to structural members A fastener system for securing a grating to an underlying structural support member when the grating experiences extremely high wave pressures. The fastening system includes elongated generally L-shaped connectors for fastening the longitudinal edges of g... | 06/15/1999 |
| 5906083 | Modular louver system A modular louver assembly comprises a peripheral frame having a sill, a header and jambs defining a rectangular primary opening, a plurality of intermediate frame members joined to the peripheral frame and dividing the primary opening into a plurality of ... | 05/25/1999 |
| 5899033 | Adjustable hub assembly for window muntins A hub assembly (10) for use in arranging muntins (22) across a window pane includes at least first and second covers (12, 14) which are snap-fit and frictionally held together and which define at least one arcuate track (70) that is adapted to slidably re... | 05/04/1999 |
| 5862645 | Burglarproof sash window A sash window includes two sashes locked with a combination lock, each sash having a metal inner frame sandwiched in between two glass plates within a rectangular frame, the metal inner frame having intersected metal bars mounted on the inside that prohib... | 01/26/1999 |
| 5845443 | Glass block fire wall A glass block wall 10 shown partially completed and employing a plurality of glass blocks 11 forming the wall. The frame elements 12 are made from milled compressed fibrous cement, are positioned between the blocks and are secured in place at their ends u... | 12/08/1998 |
| 5755069 | Louver assembly and method for installing a louver assembly A louver assembly and a method for installing the louver assembly into an opening in a wall of a structure are provided wherein the louver includes a frame which and a separate louver section which may be mounted within the frame after the frame has been ... | 05/26/1998 |
| 5732523 | System for securing composite gratings to structural members A fastener system for securing a grating to an underlying structural support member when the grating experiences extremely high wave pressures. The fastening system includes elongated generally L-shaped connectors for fastening the longitudinal edges of g... | 03/31/1998 |
