Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 7302988 | Breakaway window awning guide A breakaway awning includes an awning moveable between an open position and a closed position and having a lead rail attached to a leading edge of the awning. A pair of tracks mountable on opposite sides of a window are provided with longitudinal slots therein. Trac... | 12/04/2007 |
| 7207141 | Sliding door insert for portable pet portal A portable pet portal insert for a sliding patio door includes separate top, center, and bottom modules that can be assembled together through use of tongue and groove fittings therebetween, with the bottom module having a cutout portion adapted for receiving a pet ... | 04/24/2007 |
| 7121317 | Sectional door system A sectional door including, a plurality of panels pivotally joined to each other, the panels including a facer having a front surface, a first joint member and a second joint member extending rearwardly of the facer, a pair of end stiles received at lateral extremit... | 10/17/2006 |
| 6951237 | Sectional door system A sectional door including, a plurality of panels pivotally joined to each other, the panels including a facer having a front surface, a first joint member and a second joint member extending rearwardly of the facer, a pair of end stiles received at lateral extremit... | 10/04/2005 |
| 6942003 | Roll-up door curtain and guides and bottom bar therefor A roll up door assembly for covering a door space comprising a rubber sheet having vertical side edge portions with a front lock strip secured to the front surface and a rear lock strip secured to the rear surface of each vertical side edge. The front and rear locki... | 09/13/2005 |
| 6915832 | Protection device for an overhead door An impact protection device for an overhead comprising an elongated beam shaped to at least partially span the door. The beam includes box members at the ends there of which releasably interfit with channel members at a closed position of the door to laterally secur... | 07/12/2005 |
| 6901703 | Crash protection device Doors and breakaway mechanisms for use with a door are disclosed. A disclosed door includes a panel; a guide located adjacent a doorway opening; a carriage; and a coupling releasably securing the carriage to the panel. The coupling releases the panel from the carria... | 06/07/2005 |
| 6595569 | Automatic gate assembly A gate assembly for closing an open end of a storage compartment that is defined by a pair of side walls includes an upper member that is mounted on the side walls of the storage compartment so as to be movable between an open position and a closed positi... | 07/22/2003 |
| 6434886 | Releasable vertical lift overhead door A releasable vertical lift overhead door for an opening of a structure includes a plurality of tracks with one of a pair of the tracks adapted to be disposed on a side of the opening of the structure and another of the pair of the tracks adapted to be dis... | 08/20/2002 |
| 6315027 | Overhead sectional door and door hinge A hinge mechanism particularly suitable for hinging releasable rectangular panels of overhead sectional doors. The hinge mechanism includes first and second hinge plates hinged to each other wherein one of the hinge plates is slidably mounted within a bas... | 11/13/2001 |
| 6279276 | Protective assembly for loading docks A protective system for overhead doors on loading dock platforms for use in connection with a pair of pipe bollards permanently erected at each of the sides and in front of the door. The system includes a pair of net securing devices each having a mountin... | 08/28/2001 |
| 6273175 | Overhead door and track therefor An overhead door for occluding an opening in a structure. The door includes a pair of tracks having inwardly facing surfaces which define a channel. A door panel is located intermediate the pair of tracks and moveable along a predetermined path of travel ... | 08/14/2001 |
| 6053237 | Bump-resistant door The present invention relates to a door of the type having two parallel guide rails, a plurality of guide means (10, 50), which are adapted, when the door moves, to be guided by and run along the guide rails, a plurality of neighboring door leaf panels (2... | 04/25/2000 |
| 5727614 | Overhead door with releasable breakaway panel A vertically-movable overhead door comprising at least one non-releasable rectangular panel and at least one releasable or breakaway panel pivotable or rollable with respect to said non-releasable panel. The releasable panel may include a pair of rectangu... | 03/17/1998 |
| 5720332 | Impact panel assembly for use with a sectional overhead door An impact panel assembly is provided for use with a sectional overhead door. The assembly includes a rigid impact panel structure. A frame structure is pivotally connected with the impact panel structure for supporting the impact panel structure and allow... | 02/24/1998 |
| 5163494 | Sectional door installation A sectional door installation comprises a series of horizontal door panels mounted on opposite ends on scissors linkages to move between a deployed generally vertical position closing the doorway to a withdrawn position wherein the panels are arranged gen... | 11/17/1992 |
| 4949772 | Roll-up doors A roll-up door for a contained body of a van or the like is provided with a winch which is located in a compartment formed in the header of the door. The winch is connected by flexible winding straps to the upper door panel and the lower door panel so tha... | 08/21/1990 |
| 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 |
