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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 8156672 | Stormproof billboard and control method thereof The present invention relates to an stormproof billboard and control method thereof, which includes a column, a billboard stent, a rotating element, a motor, an electromagnetic brake, an anemoscope, a trigger switch, and an electric control assembly, wherein the con... | 04/17/2012 |
| 8051591 | Guide and anchor system for a billboard tensioning system The present invention relates to a guide and tensioning system for a billboard, comprising a facing area surrounded by trim pieces. The trim pieces each comprise a back plate, a side plate and a front plate. Guide groups may be located at various locations along the... | 11/08/2011 |
| 7950174 | Windproof billboard A windproof billboard, including at least a body, a pair of first supports, multiple second supports, a rotating shaft, multiple linkage mechanisms, a transmission mechanism, a power mechanism, and at least one brake, wherein the first supports and the second suppor... | 05/31/2011 |
| 7779568 | Adjustable LED sign mounting system An adaptable mounting system for mounting an LED display panel on an existing support structure for a billboard is provided, where the support structure including a plurality of posts having brackets arranged to support the billboard. The adaptable mounting system i... | 08/24/2010 |
| 7770314 | Outdoor advertising system An outdoor advertising system to support and selectively display an inside panel assembly or an outside panel assembly comprising a substantially rectangular outer frame having a plurality of interior support members attached thereto, a plurality of stringer couplin... | 08/10/2010 |
| 7481013 | Billboard system and method A billboard sign includes abutting rectangular tubular sections forming a frame using a rectangular tube extending across abutting ends within the tubular sections. The rectangular tube is biased against adjacent inside wall surfaces of the tubular sections for secu... | 01/27/2009 |
| 7365908 | Tiling of panels for multiple-image displays A large-area display is composed of two or more adjacent panels, in which the overall display provides a consistent perception of depth (and/or other characteristics of the images) in all panels from each viewing position. This is accomplished by generating a first ... | 04/29/2008 |
| 7325344 | Ground-mounted impact insertion and extraction apparatus An apparatus for impact insertion in and extraction from the ground includes a core with an upper section adapted for mounting a device, such as a sign, and a lower section with a pointed lower end. A reduced-diameter guide shaft extends between the upper and lower ... | 02/05/2008 |
| 7308768 | Lenticular sign An exhibit including a non-planar outer piece formed from a plurality of substantially flat lenticular panels. The outer piece defines an interior and is configured to display an external view of the interior through the plurality of substantially flat lenticular pa... | 12/18/2007 |
| 7263791 | Display device A multi-image display device. Some embodiments include an alignment mechanism for correcting misalignments of an indicia, an image selector and a motion train, which form parts of the display device. ... | 09/04/2007 |
| 7155848 | Apparatus for a scrolling sign A scrolling sign apparatus is disclosed. The apparatus includes a web having a number of signs connected in a loop. The web includes a bead along each longitudinal edge thereof. The apparatus includes a housing which has a window for displaying the signs. The web is... | 01/02/2007 |
| 7093723 | Display system and associated methods A display system may include a frame, column connection members connected to the frame, and four-sided column members positioned adjacent one another and rotatably connected to the column connection members. Each column member may include a connector and elongate di... | 08/22/2006 |
| 7086187 | Advertising display system and method A display and an associated method of making the display are disclosed. The display is characterized by one or more partial image carriers, each having mounted thereon a partial image, and arranged at predetermined locations and orientations such that they cooperati... | 08/08/2006 |
| 7082707 | Support truss for a messaging sign A support truss for a messaging sign comprising an elevated box truss which extends over a roadway and which has its opposite ends secured to upstanding supports. The box truss is comprised of a plurality of box truss sections secured to one another in an end-to-end... | 08/01/2006 |
| 7073728 | Water feature and writing board A combination water feature and writing board has a front displaying a flow of water, and a number of movable writing board segments. These segments can be moved between a stored position in which the segments are stored behind the water feature, and an deployed pos... | 07/11/2006 |
| 6969109 | Reinforced sectional door for cargo body Lightweight sectional doors for cargo bodies and the like are reinforced by a reinforcing member supported on an inner wall surface of at least alternate ones of the panels of a multipanel door. The reinforcing member comprises an elongated, preferably extruded memb... | 11/29/2005 |
| 6946975 | Uniformly lighted airfield guidance sign An airfield guidance sign. The sign 100 (of FIG. 1a) includes a case (102), a multi-element light source (114) attached to the case (102) for providing light interior to the case (102), a light dispersion subsystem of the ca... | 09/20/2005 |
| 6899934 | Multi-layered renewable sticky surface bulletin board A new and improved bulletin board comprises a rigid support or backing member, and a tablet comprising a stacked array of adhesive-coated sheets, mounted upon the rigid support or backing member, wherein each one of the adhesive-coated sheets is adapted to have vari... | 05/31/2005 |
| 6821593 | Mounting assembly for attaching articles to surfaces A mounting assembly for attaching lightweight articles to surfaces incorporating an article fixation region opposite and distal to a poly-fastening region. A poly-fastening region includes at least one selective adhesive region adjacent to at least one magnetic regi... | 11/23/2004 |
| 6780486 | Self-adhesive bulletin board assembly with a bulletin board and a transparent sheet A self-adhesive bulletin board assembly includes a bulletin board with a surface coated with a first adhesive layer that is adapted to be attached to a support surface, and a transparent sheet with opposite first and second surfaces that are coated with second and t... | 08/24/2004 |
| 6761000 | Infoboard and assembly of such infoboard and a portal crane truck An infoboard having at least one board part intended for an imprint, the infoboard comprising a frame carrying the at least one board part, the frame near an underside being firmly connected with the base, which base has such a weight that the infoboard is only mova... | 07/13/2004 |
| 6668475 | Air inflated portable billboard An inflatable billboard has an inflatable frame with an advertising frame mounted onto the frame. The advertising frame is mounted to the frame by both releasable connectors which secure the advertising face to the frame and must be manually released and ... | 12/30/2003 |
| 6557282 | Portable illuminated outdoor advertising display A portable illuminated outdoor advertising display comprises a plurality of modules, a portion of which are removably secured to said frame structure, collectively forming a matrix of modules when juxtaposed adjacent one another in predetermined positions... | 05/06/2003 |
| 6553699 | Display device A display device for large scale billboard displays comprises a set of image carriers each defining a respective sequence of image frames and each having directional properties such that different image frames are viewable from different viewing direction... | 04/29/2003 |
| 6508024 | Roadway sign A new and improved highway sign or billboard advertising structure having a vertical support post on which a sign face support structure is mounted. Each of these sign face support structures has a scaffold mounted adjacent the bottom of the sign face ext... | 01/21/2003 |
| 6453591 | System and method for creating a message display A message display is described having a message display surface with a first area. At least one hook fastening element with a second area is affixed to the message display surface. The message display also includes at least one message display panel with ... | 09/24/2002 |
| 6247258 | Topple resistant, modular and mobile signage system A modular, mobile sign assembly which has the appearance of a permanent installation including a base module formed of a frame with a set of height-adjustable support posts and a pair of wheels on an axle for movement of the unit between locations, and a ... | 06/19/2001 |
| 6240666 | Inflatable information carrier An information carrier for receiving at least one information data. The information carrier includes an inflatable hollow body made of a flexible, foldable material and a blower for blowing an air flow into the inner part of the hollow body. The blower is... | 06/05/2001 |
| 6230427 | Billboard with droppings tray A billboard is equipped with a droppings tray that catches droppings from birds nesting in the gridwork of support members that carries the display panels of the billboard. The tray is so inclined and shaped that rain or the like cleans the tray and flush... | 05/15/2001 |
| 6215411 | Remote control electronic display system A remotely controlled electronic display sign which operates with a plasma display and which provides for humidity control and the like allowing the sign to be used in various environments. The sign is essentially self-contained and includes those compone... | 04/10/2001 |
| 6189246 | Three dimensional advertising billboard A versatile three-dimensional billboard capable of remote control operation, animation, and color accentuation. The billboard includes a board defining a plurality of holes arranged in a matrix. A plurality of rods are slidably mounted in the holes. At le... | 02/20/2001 |
| 6004421 | Printing and assembling large posters A method of producing sub-images for use in forming a larger image from a series of the sub-images. The method includes printing each of the sub-images of the series of sub-images and a portion of the larger image surrounding the sub-image on a separate s... | 12/21/1999 |
| 5900850 | Portable large scale image display system A large scale, portable light emitting diode image display system including one or more display panels comprising a web or netlike structure, preferably formed of interconnected flexible foldable strap members arranged in plural vertical columns and horiz... | 05/04/1999 |
| 5758442 | Modular window electronic sign A modular window electronic sign is provided for outdoor use. The sign is provided with a walk-in cabinet or housing with a forward facing informational display surface viewable through an opening in the cabinet. The window is comprised of a series of ver... | 06/02/1998 |
| 5664353 | Method and arrangement for optically representing information A method and an arrangement for optically representing information on a transparent projection surface using several projection modules and using through-light projection. The method and arrangement are both cost effective and ensures that an observer vie... | 09/09/1997 |
| 5644859 | Billboard A billboard comprising a main body in which a lamp set is secured. The main body is rotatably fastened with a bottom seat and further fastened with two transparent pieces capable of enhancing the glittering effect of a neon lamp tube of the lamp set. The ... | 07/08/1997 |
| 5590504 | Mounting devices A sign is formed from a plurality of panels abutted edge-to-edge. A main elongate reinforcing member has a transverse head for attachment thereto of a mounting device for the sign, and a depending leg terminating in an offset foot secured to the rear of a... | 01/07/1997 |
| 5561930 | Beverage and other product container display and mount An advertising display representative of an enlarged beverage or other product container, including a body portion of a part of a container, formed as an arcuate segment, including along its side edges integrally inturned flanges, for connecting thereto o... | 10/08/1996 |
| 5517393 | Illumination assembly An illumination assembly allowing quick and easy access to traffic, billboard or other lighting is provided. The illumination assembly includes a rotatable conveyor assembly having a cable or cord driven by one or more drive pulleys to rotatably place lig... | 05/14/1996 |
| 5471775 | Outdoor pull-down display sign for use with existing outdoor signs An outdoor pull-down signboard is provided which is adaptable to existing sign support columns by being mounted above and in-front-of the existing signs and in some cases utilizes the reader board panels extracted from the existing signs. A frame for reta... | 12/05/1995 |
