Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4991334 | Film strip holder A film strip holder for use in backlighted message displays is an extrusion having longitudinally extending, light opaque upper and lower portions and a longitudinally extending light translucent center portion such that a film strip placed between the up... | 02/12/1991 |
| 4953067 | Suspension and power connector for illuminated house number signs A suspension and power connector for illuminated house number signs includes an apertured mount plate which receives and is supported by a power connector body. An apertured anchor plate receives the body and bears against the mount plate. Suspension brac... | 08/28/1990 |
| 4903423 | Sign holder Disclosed herein is a sign holder comprising a housing including a back wall, opposed and spaced side walls extending from the back wall and opposed and spaced top and bottom walls extending from the back wall and from the opposed side walls, a first pane... | 02/27/1990 |
| 4901461 | House identification fixture A system for identifying a house includes a display unit mounted outside the house, the display unit housing a plurality of bulbs for back lighting a translucent panel, with numbers affixed thereto. A combined control module/power pack within the house an... | 02/20/1990 |
| 4893903 | Flashing advisory sign A apparatus for providing a motorist advisory function similar to that of a flashing illuminated advisory sign, the apparatus having an electrically operable optical shutter positioned by means of a frame between one or more message signs and a viewing re... | 01/16/1990 |
| 4848016 | Illuminated sign system Existing illuminated signs required skilled workers to replace or change the sign face. The present sign system allows the illuminated faces to be rapidly and easily changed by non-skilled workers. Transparent or translucent plastic envelopes are used to ... | 07/18/1989 |
| 4805324 | Light sign A light sign comprising an illuminant (1) provided with substantially parallel channels (2) for discharge tubes (3), at least one translucent sign panel as a support or holder for sign message and a frame (9) which peripherally defines the light sign. The... | 02/21/1989 |
| 4679341 | Modular display apparatus for sign panels A modular display apparatus for receiving and displaying sign panels, in which panel support elements co-operate with elevated ridges and frame overlay members to form sign panel regions in which the sign panels may be deployed. Panel insert slots are for... | 07/14/1987 |
| 4587754 | Illuminated display devices An illuminated display consists in a number of light box modules (11) each having a casing (12,13,14,15,16) and a light source within the casing for illuminating a transparency (23). Each module (11) is adapted for mounting to a skeletal support frame (7)... | 05/13/1986 |
| 4513968 | Device for holding display plate for game machine A device for removably holding a display plate with a pay-out table or like thereon at the front of a game machine body is disclosed. A transversally disposed lower plate retainer has a longitudinal groove, in which the lower end of the display plate is i... | 04/30/1985 |
| 4421317 | Electronic game apparatus using a three-dimensional image An electronic game includes a base having an opening; at least one three-dimensional image stored on a plate, typically a hologram; a light source for each image; a microcomputer; and player controls. Illumination of the plate by the light source projects... | 12/20/1983 |
| 4383382 | Self-luminous safety sign A self-luminous safety sign with variable legend capability. A housing supports a faceplate having safety warnings or symbols thereon. Self-luminous lights, adapted to illuminate selected characters or symbols on the faceplate without external electrical ... | 05/17/1983 |
| 4299042 | Frame construction for a projecting illuminated sign box A frame construction for an illuminated sign comprises a metal sheathing on both top and bottom frame members of the frame, the sheathing being bent at its longitudinal edges to form longitudinally extending grooves, wherein both the top and the bottom fr... | 11/10/1981 |
| 4265039 | Display signs A fabric is stretched across a sign framework to serve as a display face. Forming the framework are upper, lower and respective side support elements. Depending upon the particular version, a hinge or saddle is affixed to one or more of the support elemen... | 05/05/1981 |
| 4242821 | Light box The light box of the present invention comprises a peripheral wall which has opposite peripheral edges, a back wall adjacent one of those peripheral edges and a rigid one piece molded frame adjacent the other peripheral edge, the frame defining one side o... | 01/06/1981 |
| 4228596 | Illuminated teaching device and board game An illuminated teaching device and board game comprising a square receptacle having opaque side walls and bottom and a top wall formed with a plurality of orifices each of which receives a pushbutton switch for completing an electrical circuit from a batt... | 10/21/1980 |
| 4226038 | Photo-slide handler and viewer A device for displaying photo-slides having a panel with a light source behind it and several sets of parallel rails to support photographic slides for viewing. Each set of rails has an upper and lower rail that are spaced to support the top and bottom of... | 10/07/1980 |
| 4131777 | Pushbutton electrical switches and pushbuttons therefor Pushbuttons which are especially useful in illuminating pushbutton electrical switches are provided which have a hollow housing with an open face and sides extending inwardly from said face to an open rear end wherein said face constitutes a frame in whic... | 12/26/1978 |
| 4117533 | Modular lighting system A modular lighting system comprising a module having four panels containing photographs or the like with a source of illumination inside the panels to provide lighting for the panels as well as lighting to the surrounding area. The module may be hung from... | 09/26/1978 |
| 4088881 | Lighting fixture A lighting fixture for attachment to the ceiling of public transportation vehicles such as subway cars, buses, aircraft, or the like includes a light transmitting cover assembly which is particularly adapted to retain and back light low cost sheets of adv... | 05/09/1978 |
| 4070779 | Display sign A display sign is disclosed for displaying printed matter on a backlighted poster or the like. The sign includes a display case defining a first compartment containing a light source, the display case having a front opening for the transmission of light t... | 01/31/1978 |
| 4041629 | Signal device A signal device for use in connection with supermarket check-out counters to indicate check-out conditions at a particular location. The device includes a support pole and a housing mounted on the support pole. The housing is adapted to removably receive ... | 08/16/1977 |
| 4035939 | Lighting system for selective back lighting A lighting system for selectively back lighting a translucent object, or preselected portions thereof. The system, as adapted for use in back lighting an open map, includes: a flat translucent component on which the map is removably held, supported, and d... | 07/19/1977 |
| 4028831 | Service indicating device A service indicating device which includes a casing and a drawer slidably received in the casing. The drawer has a transparent front panel. Indicator element blocks are mounted in the drawer tandemwise with a front face of one of the indicator element blo... | 06/14/1977 |
| 4003151 | Test plate reader A test plate reader wherein a transparent test plate having a multiplicity of material containing wells is located across a light path, and a target having a pattern of opaque areas corresponding in number and location to the wells is interposed in the li... | 01/18/1977 |
| 3990166 | Illuminated display apparatus having spring actuated switch Apparatus is disclosed which includes a switch actuated illumination device for scenic or advertising display by either rotating the apparatus on a base or by lifting the apparatus off the base to actuate the switch.... | 11/09/1976 |
| 3949504 | Lighted display for a console A lighted display for a console, particularly for a telephone console for private branch exchanges, comprises a sandwich structure of a front transparent cover of a dark coloured material, an indicator layer or sheet of dark non-transparent material havin... | 04/13/1976 |
| 3938269 | Case for displaying notices A case for displaying notices, having a body including a translucent front face; appropriate, sealingly interconnected walls; the bottom wall having an access opening; a removable shutter for closing the opening; above the front face a drum, on which is m... | 02/17/1976 |
