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...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7243468 | System to lay out the position of glass blocks for construction of a glass block wall The present application discloses curb components that represent various shapes of glass blocks to be used in the construction of a curb for a glass block wall, along with a system and method for laying out the curb components. The curb components can be fitted toge... | 07/17/2007 |
| 7043885 | Glass block panel system and fabrication method of same A glass block panel system is disclosed that includes glass blocks secured in a framework. The framework includes an external framework having external frame members each of which comprises a base web portion formed between opposing side arms, wherein one of the opp... | 05/16/2006 |
| 6935077 | Earthquake-immune curtain wall system Described herein is a curtain wall system for multi-story buildings that is highly resistant to the damage caused by multidirectional swaying motions in building frames during an earthquake. In a conventional curtain wall system, each story is connected structurally... | 08/30/2005 |
| 6922961 | Vertical and horizontal spacers to form curved glass block walls This application discloses parts for use in constructing a curved glass block wall using regular shaped glass blocks. The assembly parts include a vertical spacer, which provides for adjustable widths of spacing to be obtained between adjacent glass blocks, as well ... | 08/02/2005 |
| 6823640 | Hollow spacer for tiles and the like A family of light-weight, durable, resilient tile spacers adapted for insertion into intersecting joint spaces between tile courses, and to be left in place after the spaces have been filled with grout. Each spacer has a plurality of thin-walled hollow limbs that pr... | 11/30/2004 |
| 6681540 | Device for forming an expansion joint in a floor surface Disclosed is a unitary resilient insert member for filing an expansion joint gap formed between adjacent concrete slabs, floor tiles, or the like wherein the insert member consisting essentially of a preassembled wedge shape form. Also disclosed is a meth... | 01/27/2004 |
| 6584744 | Apparatus for securing a glass plate in a recess A securing apparatus for a glass plate in a recess, especially a glass-ceramic cooking surface, is provided with easily removable components. The apparatus comprises a sealing frame; a holding frame connected to the sealing frame; a circumferential, perma... | 07/01/2003 |
| 6574933 | Movement joint The joint thereshown has two stainless steel side plates (21, 22) which are rolled from a single strip and are bent double at the bottom of the lower limb (23) of the Y. The plates have rolled in ridges (24) at the top of this limb (23) and diverge above ... | 06/10/2003 |
| 6446404 | Glass tile system and method of installing glass tile A glass tile system and a method of installing glass tiles on a subsurface, such as a floor, wall, counter top, table top, or ceiling, by forming a grouting frame around the glass tiles with rods of solid flexible plastic or polymer material, which are re... | 09/10/2002 |
| 6345480 | Bridging arrangement The invention provides a height-adjustable bridging device for joints between floor coverings. The bridging device includes an upper element and a base element. The upper element includes a generally perpendicular retaining bar. The retaining bar includes... | 02/12/2002 |
| 6272806 | Joint insert and method/system for using same A joint insert is provided as well as a system and method for using same in the finishing of a surface's joint. The joint insert is a strip of material having a central longitudinal axis dividing the strip into first and second halves that are mirror-imag... | 08/14/2001 |
| 6023899 | Wall panel assembly with airtight joint A wall panel assembly with a sealed joint. The sealed joint is virtually airtight even in an enclosure having an ambient air pressure substantially greater than the air pressure outside the enclosure, such as an air handling cabinet. Each joint is compris... | 02/15/2000 |
| 5934033 | Cladding units for building and seal structure for joint thereof Cladding units for a building and a seal structure for the joints thereof are disclosed. A cladding unit comprises a cladding member consisting of a framework and a face member attached to one side face thereof and fastener stringers for waterproof slide ... | 08/10/1999 |
| 5845440 | Cladding units for building and seal structure for joint thereof Cladding units for a building and a seal structure for the joints thereof are disclosed. A cladding unit comprises a cladding member consisting of a framework and a face member attached to one side face thereof and fastener stringers for waterproof slide ... | 12/08/1998 |
| 5809729 | Method and apparatus for wall construction The present invention is directed to an apparatus and method for attaching panel members to perimeter framing members to form a wall. The apparatus attaches the perimeter framing members to the panel member by an attachment member located between a surfac... | 09/22/1998 |
| 5806270 | Method of floor construction with a grid system A method of floor construction with a grid system utilizing 1) a plurality of floor grid members interconnected to create a floor grid member assembly; 2) a plurality of floor tile members mounted on respective ones of the floor grid members; 3) a plurali... | 09/15/1998 |
| 5713174 | Concrete slab dowel system and method for making same A concrete dowel slab joint system for maintaining adjacent sections of concrete in alignment during contraction and expansion of the concrete, and for transferring shear stresses and bending moments across a joint formed between adjacent concrete slabs. ... | 02/03/1998 |
| 5709056 | Cladding units for building and seal structure for joint thereof Cladding units for a building and a seal structure for the joints thereof are disclosed. A cladding unit comprises a cladding member comprised of a framework and a face member attached to one side face thereof and fastener stringers for a waterproof slide... | 01/20/1998 |
| 5655345 | Curved wall glass block assembly A method and apparatus for forming a curved wall glass block assembly (100) by stacking vertical tiers (102) (103) (104) etc. of horizontal rows of individual glass blocks (101) on top of a plurality of successive tier base support units (10) comprising a... | 08/12/1997 |
| 5590500 | Tile system A decorative and protective structural tile matrix for covering a base surface, such as a wall or countertop, is provided. A set of tiles comprise a subset of fixed tiles and a subset of removable tiles. The fixed tiles are permanently attached to the bas... | 01/07/1997 |
| 5457924 | Slate roofing material joint and slate roof structure using the joint A slate roofing material joint having a flat strip-shaped mounting base plate made of weatherproof soft resin. A pair of flat-based plates, which are also weatherproof, but are made of hard resin, are connected to the sides of the mounting base plate. Sev... | 10/17/1995 |
| 5333432 | Device for forming an expansion joint in a floor covered with ceramic tiles A device for forming an expansion joint in a floor covered with ceramic tiles includes a first plastic angle floor section to be secured onto the floor and formed by a fastening leg and terminating leg, and a second plastic wall section shaped like a stri... | 08/02/1994 |
| 3979866 | Nuclear reactors A nuclear reactor containment vessel faced internally with a metal liner is provided with thermal insulation for the liner, comprising one or more layers of compressible material such as ceramic fiber, such as would be conventional in an advanced gas-cool... | 09/14/1976 |
