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 |
| 7921586 | Multi-sided rotatable billboard and associated methods A display system includes a frame and a plurality of rotatable columns carried by the frame. Each of the plurality of rotatable columns may include a column connection member, at least one display engagement member carried by the column connection member, and a plur... | 04/12/2011 |
| 7571559 | Arrangements for facilitating assembly, service and maintenance of image-changing signboards An image-changing signboard comprising an upper and a lower horizontal frame member (12, 14) having a substantially U-shaped cross-section. A plurality of vertical bar-shaped display elements having a triangular cross-section are rotatably mounted in the uppe... | 08/11/2009 |
| 7333277 | Cap device for multiple image display The cap device contains a number of prisms housed inside a closed space formed by a transparent cover, a ring, and a base. Gear teeth are provided along the inner circumference of the ring, which engage a gear member of the cap device to drive a passive gear located... | 02/19/2008 |
| 7215275 | Independent temperature and apparent color control technology for adaptive camouflage An apparatus for adaptive camouflage with independent control of both temperature and apparent color. The apparatus has cells or individual pixels behind a transparent outer layer. The temperature of the outer layer is controlled by a heat transfer fluid flowing in ... | 05/08/2007 |
| 7163108 | Display system and associated methods A display system may include a frame, column connection members connected to the frame, and column members positioned adjacent one another and rotatably connected to the column connection members. Each column member may include a connector and elongate display membe... | 01/16/2007 |
| 7131619 | Rotatable display apparatus A display apparatus includes a stationary base portion and a support member mounted to a top surface of the stationary base portion. A vertically extending pole is disposed through the interior of each of the support member and the base portion along a center axis, ... | 11/07/2006 |
| 7121026 | Advertisement billboard The advertisement billboard includes at least one rotatable polyhedral column and a driving mechanism provided on a frame. The polyhedral column is consisted of a plurality of rotatable exhibiting boards having an obverse side and a reverse side. Each obverse side o... | 10/17/2006 |
| 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 |
| 7086188 | Dual media billboard A revolving billboard with LED holders has an outdoor frame, an LED frame and a vertical louvered blind. The LED frame is mounted inside the upper recess, and the vertical louvered blind is located in front of the LED holders inside the upper recess. The revolving b... | 08/08/2006 |
| 7021787 | Outdoor lighting system An outdoor lighting system is disclosed. The individual lights are self-powered by one or more batteries carried in the lighting structure itself. In one embodiment, one or more rechargeable batteries are located within a relatively elongated base structure of the l... | 04/04/2006 |
| 6970154 | Fringe-field filter for addressable displays The display kit of the present invention comprises: an addressable display medium configured to exhibit a first aspect under the influence of an addressing vector field in a first direction at an addressing magnitude; and an addressor; where the addressor is configu... | 11/29/2005 |
| 6662482 | Moving panel display A display device for displaying to a viewer a message or a story, preferably accompanied by synchronized sound. The display device comprises a plurality of multi-sided, rotatable display elements, each side or panel bearing a visual image. The display ele... | 12/16/2003 |
| 6434868 | Three-messages sign having internal light source illumination A three-message sign having internal light source has an array of side-by-side triangular sign elements. Each of the triangular sign elements has three transparent display surfaces with three apices joining the three transparent display surfaces into the ... | 08/20/2002 |
| 6360463 | Conversion display drive mechanism A convertible sign mechanism is provided which comprises a convertible sign member that is rotatable about an axis. The convertible sign member is capable of rotating at a variable velocity. A motor is operatively connected to a drive shaft, which is conn... | 03/26/2002 |
| 6306479 | Kinetic art paper An art paper designed to facilitate the creation of kinetic art works. The term "kinetic art" refers to paintings or pictures, which have been designed to be shaped in a pleated manner and displayed in 3 dimensions to afford the viewer different images de... | 10/23/2001 |
| 6295882 | Device for operating display members at signs In a device for operating display members (2) at signs for consecutive, repeated presentation of series of images, the members (2) are operated by a driving gear wheel (9) on a drive shaft (6) through a driven gear wheel (10) for each member (2). The driv... | 10/02/2001 |
| 6216371 | Revolving signboard for conveying multiple messages A revolving signboard for conveying multiple messages, which comprises a housing having at least one window provided therein, a conveying system rotatably disposed within said housing, including means for rotating said conveying system in opposite directi... | 04/17/2001 |
| 6128841 | Drive mechanism for picturn sign A rotating sign assembly has a plurality of rotatable, multi-sided, sign segments and a drive mechanism for rotatably driving the sign segments. The drive mechanism includes a drive shaft and one or more output shafts that each operate to rotate a multi-s... | 10/10/2000 |
| 6052931 | Torque limiting device for picturn signs A rotating sign assembly has a plurality of rotatable, multi-sided, sign segments, a torque transmitting member which is rotatable about a first axis of rotation, a mechanism for rotatably driving the torque transmitting member, and a torque limiter. The ... | 04/25/2000 |
| 6038799 | Indexing system for changeable signs An indexing system for signs consisting of a plurality of indicia bearing vane faces wherein the vane faces are sequentially exposed to view in the manner of a "wave", such sequential revealing of the sign vane faces generating interest in the sign's mess... | 03/21/2000 |
| 6034609 | Motorless traffic-control sign automatically responsive to state of electrical power A traffic-control sign that automatically displays a primary message, such as "STOP", when electrical power is absent, and an optional secondary message, such as "We Arrest Drunk Drivers", when electrical power is present. The motorless sign is continuall... | 03/07/2000 |
| 5860325 | Wave motion sign transmission A transmission system for louver type signs wherein the signs consist of a plurality of multiple faced louvers having indicia defined thereon and the side-by-side relationship of the louvers permits pre-selected faces to define a completed image. The adja... | 01/19/1999 |
| 5737861 | Intermittent motion gear box A simplified gear box for intermittently displaying a number of displays on a display apparatus is comprised of a partial gear driven by a drive shaft, the partial gear cooperates with a number of pins on a rotatable pin wheel which is secured to a triang... | 04/14/1998 |
| 5705759 | Two-tiered music box with revolving figurines A decorative display device comprising figurines arranged in tiered first and second scenes, one scene being placed above the other. Each of the upper and lower tier scenes is coupled to a wind-up drive and music box mechanism and when rotated appears to ... | 01/06/1998 |
| 5692330 | Multiple image display device A multiple image display device provides a seamless appearance while driving multiple rows of display panels arranged in adjacent columns. The display panels are driven through interconnection with a plurality of motor assemblies coupled to the bottom of ... | 12/02/1997 |
| 5572816 | Rotating advertising sign with rotating louvers The sign (10) includes a plurality of elongated louvers (170) arranged parallel to one another in a cylindrical array to form a carousel (30) of louvers rotatable about a central axis (15). Each louver (170) is rotatable about is own length to display dif... | 11/12/1996 |
| 5511330 | Louver sign transmission system A transmission system for louver type signs wherein the signs consist of a plurality of multiple faced louvers having indicia defined thereon and the side-by-side relationship of the louvers permits pre-selected faces to define a completed image and simul... | 04/30/1996 |
| 5485693 | Hinged support panel display prism A display device of the type having a plurality of parallel prisms that rotate intermittently and synchronously to present the surfaces of the different panels of each prism for view to provide different composite advertising designs. All the prisms are i... | 01/23/1996 |
| 5483765 | Device for displaying pictures in sequence Rectangular transparency panels form the sides of triangular units that are lighted from within. A gear train drives the units in synchronism. A base housing has a plurality of parallel aligned round posts projecting upwardly from it. The posts have a bor... | 01/16/1996 |
| 5416996 | Display apparatus A display apparatus for showing a number of different display images. The apparatus includes a housing and a plurality of triangular display elements mounted therein. Each of the display elements includes a first, second and third major sides, and is susp... | 05/23/1995 |
| 5343645 | Multi-faceted display drive mechanism A variable speed drive mechanism (4) is disclosed for use in conjunction with multi-sided prismatic convertible sign elements (22). A drive gear (32) driven at constant speed causes a mounting gear (23) to rotate at an angular velocity both slower than th... | 09/06/1994 |
| 5315776 | Multiple-display sign device A sign in which multiple scenes are presented in sequence is comprised of a plurality of juxtaposed rotationally driven display units that are assembled with triangularly-shaped hollow sleeves whose side panels are constituted by transparencies on each of... | 05/31/1994 |
| 5303760 | Blind covering apparatus and method for changing decor on vertical window blinds A window blind covering arrangement including a set of window blind slat cover members that detachably fit over existing window blind slats for purposes of changing the associated existing decor. Each blind cover member including attachment features that ... | 04/19/1994 |
| 5259135 | Display device An improved mode of construction is provided for a display device of the kind comprising an array of triangular-section slats rotated in synchronism in 120° steps to present repeatedly to view, in sequence, three compound display surfaces, each carrying ... | 11/09/1993 |
| 5255463 | Rotating sign assembly A rotating sign assembly includes a number of multi-sided, rotatable sign segments driven by an elongated drive shaft operably interconnected with each of the sign segments. The drive shaft includes at least one multi-armed driven cam fitted to the drive ... | 10/26/1993 |
| 5255465 | Multiple display sign assembly A multi-display sign assembly, which is particularly lightweight, may be hung in a variety of locations which could not normally support such a sign structure, and functions in smooth, quiet, and relatively low vibration movements, the sign assembly inclu... | 10/26/1993 |
| 5233772 | Multi-message sign A sign providing for the serial display of three discreet messages is disclosed. The disclosed sign has an array of discrete vertical three sided sign elements provided with an improved sign element mounts and bearings, improved detachable face plates for... | 08/10/1993 |
| 5161421 | Driving device for driving or operating elongate display members at signs for consecutive, repeated presentation of series of images The present invention relates to a driving device for driving or operating elongate display members at signs for consecutive, repeated presentation of series of images, whereby said elongate display members (2) are driven through pairs of gear wheels (15,... | 11/10/1992 |
| 5136799 | Automatic open and close sign An automatic and manually operated open-closed sign is provided that will include a timed motor to operate rotatable slats having the words "OPEN" and "CLOSED" printed on each side. A manual override is also provided so that the sign can be operated direc... | 08/11/1992 |
| 5003716 | Flexible outdoor flip sign display A flip-type display sign having a plurality of parallel louvers mounted in a frame utilizes flexible fabric louver covers to define the faces of the louvers, with the louver covers being supported on a plurality of cables, extending between a pair of end ... | 04/02/1991 |
