Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8128253 | Light emitting floor surface The invention relates to a light emitting system (1) for surfaces (2) of floor bottoms, walls or similar surfaces (2) of buildings for indoor or outdoor applications, in particular walkable or drivable surfaces (2), whereas the system com... | 03/06/2012 |
| 8092036 | Floor light The present invention relates to a floor panel and a flooring with a preferably continuous and unbroken front face, which is at least partially light transmitting and which has a light pattern/sign at the front face. ... | 01/10/2012 |
| 8047672 | Mosaic floors and corresponding installation procedures The invention relates to a mosaic floor (20) consisting of layers and comprising at least one mosaic section (26) comprising illuminating elements (3) that are integrated into the mosaic floor (20) and the structure comprises at least the... | 11/01/2011 |
| 8021014 | Floor light The present invention relates to a floor panel and a flooring with a preferably continuous and unbroken front face, which is at least partially light transmitting and which has a light pattern/sign at the front face. ... | 09/20/2011 |
| 7926970 | In-grade lighting fixture An in-grade light fixture has a lamp compartment having an open upper end with a lens cover covering the open upper end. The lens cover may have a joint connection to permit travel from an open configuration to a closed configuration. A junction box is adjacent to t... | 04/19/2011 |
| 7918579 | Lighted flooring A floor assembly including a top having at least one transparent or translucent light emitting portion for emitting light is provided. At least one light source is provided for supplying light. The light source is optically connected to the light emitting portion. T... | 04/05/2011 |
| 7841734 | LED lighting fixture An LED lighting fixture includes a support structure having a horizontal cross-dimension and a top structure attached to the support structure and extending outwardly beyond the support structure. The top structure has a bottom surface with peripheral portion surrou... | 11/30/2010 |
| 7806550 | In-grade lighting system A lighting system has a sealable housing with a lamp cavity, a junction box and a partition wall there between with the junction box being laterally from beneath a lens opening. The system further includes a closure to close an access port in the partition wall whic... | 10/05/2010 |
| 7775674 | Method and apparatus for illuminating ice A light emitting system to illuminate ice and a method for illuminating ice are disclosed herein. The system includes multiple light emitting modules that each includes a light source having at least one light emitting element and a cover having a base. The base sub... | 08/17/2010 |
| 7670026 | Night-light rug An apparatus for providing illumination includes a lower light panel that contains at least one battery and electronic control circuitry therein. A plurality of LEDS are each disposed in a corresponding plurality of recesses in the light panel. A reflective coating ... | 03/02/2010 |
| 7670022 | Lighted floor mat system A floor mat system that includes a mat having a decoratively shaped first portion that allows light to transmit therethrough and is surrounded by a second portion that does not allow light to transmit therethrough. A light source is positioned beneath at least the f... | 03/02/2010 |
| 7588344 | Stainless steel airport light cannister apparatus and method An airport inset light adjustable alignment container set provides a light fixture and stainless steel support for airport runway, taxiway, or other aircraft ground traffic areas. A variable length extension means rotatably adjusts height and azimuth by a rotatable ... | 09/15/2009 |
| 7524078 | In-grade lighting fixture An in-grade light fixture has a lamp compartment having an open upper end with a lens cover covering the open upper end. The lens cover may have a joint connection to permit travel from an open configuration to a closed configuration. A junction box is adjacent to t... | 04/28/2009 |
| 7470037 | Airport light installation with split ring adapter Disclosed is an airport light base including a light base container having an upper end with an inverted first flange having a first outer face, an opposing first inner face facing into the light base container, a continuous inwardly directed first edge bounding a f... | 12/30/2008 |
| 7461943 | Fiber optic garden light This invention relates to garden lights, and more specifically toward garden lights using light emitting diodes to emit light through one or more fiber optic elements that are housed inside of a transparent tube. The fiber optic elements can be of various lengths, p... | 12/09/2008 |
| 7404650 | Structural board A structural board includes a pair of intermediate members having plural projections. The intermediate members are positioned in parallel, and the projections are in contact with each other between the intermediate members. At least one of the intermediate members a... | 07/29/2008 |
| 7387409 | Pathway light fixture with interchangeable components A light fixture for use in low voltage outdoor lighting systems includes a lens assembly with a diffuser lens disposed on top of a lens support, a reflector hood and a mushroom-shaped reflector retaining cap removably mounted on top of the lens assembly. A socket an... | 06/17/2008 |
| 7378989 | Emergency lighting arrangement with decentralized emergency power supply for an aircraft An emergency lighting arrangement preferably includes plural emergency light units connected to an on-board power supply network of an aircraft, and plural emergency current sources that each include at least one capacitor. Each emergency light unit includes an emer... | 05/27/2008 |
| 7370988 | In-grade light fixture housing and hydrological barrier plate for use therein A hydrological barrier plate for in-grade light fixture housings and a housing for use with light fixtures to prevent water entry into the water sensitive compartments of the light fixture. The barrier plate has a plate body with an opening in which is sealably disp... | 05/13/2008 |
| 7367699 | Emergency light in a multilevel aeroplane The invention relates to an aeroplane comprising several decks which are arranged above each other, for passengers, freight and/or crew members, also comprising at least one staircase connected to the decks. Said aeroplane is characterized in that the staircase is p... | 05/06/2008 |
| 7344266 | Portable radial projection light source arrangement A portable radial projection light source arrangement includes a shelter housing and an illumination unit. The shelter housing includes a protection base having a light source cavity therein, and a supporting frame mounted on the protection base. The illumination un... | 03/18/2008 |
| 7339488 | Threshold having safety lights An emergency light system is located in the threshold subadjacent to the lower edge of an emergency egress door. The light system includes a plurality of lights mounted on a flexible backing strip in the threshold. The lights are connected to a switch that can be ma... | 03/04/2008 |
| 7318655 | Solar stepping stone A solar stepping stone comprises a housing having an upper surface, side walls and a lower surface, the housing defining a chamber. A solar energy collector is associated with the housing for collecting solar energy. A solar power storage device is provided in the c... | 01/15/2008 |
| 7316519 | Paving member A paving member (2) comprising a surface (4) for being walked on, an image (6) below the surface (4), and a source of light for illuminating the paving member (2), the paving member (2) being of such a material and construct... | 01/08/2008 |
| 7311414 | Ornamental lamp assembly An ornamental lamp assembly incorporating a dual housing structure having an internal protective element and an external decorative element to protect functional circuitry from damage sustained as a result of normal outdoor use, and to facilitate achieving a selecti... | 12/25/2007 |
| 7264370 | Light emitting diode roadway lighting system A system for lighting roadways utilizes LED lighting systems recessed into roadside barriers. The LED lighting element includes a number of LEDs fixed in an elongated formation. The LED lighting element is inserted into the barrier's recessed area in a generally ver... | 09/04/2007 |
| 7244042 | Airport light system An airport light system is disclosed, which includes an airport guidance sign circuit, and an airport light installation coupled to the airport guidance sign circuit that includes a guidance sign component activated in an ON position of the airport guidance sign cir... | 07/17/2007 |
| 7241023 | Grave marker illumination assembly A grave marker illumination assembly includes a post that has a bottom end and a top end. A transparent housing has a bottom wall, a top wall and a peripheral wall. The housing is positioned on the top end of the post. A light emitting apparatus is positioned in the... | 07/10/2007 |
| 7232236 | Floor marking apparatus and system, and method of marking a floor A floor marking system includes a floor having a predetermined location intended for use of a predetermined character, the predetermined location being marked with impinging light. The floor marking system also includes a lighting unit having a light source for mark... | 06/19/2007 |
| 7231060 | Systems and methods of generating control signals Separating a source in a stereo signal having a left channel and a right channel includes transforming the signal into a short-time transform domain; computing a short-time similarity measure between the left channel and the right channel; classifying portions of th... | 06/12/2007 |
| 7204622 | Methods and systems for illuminating environments Provided herein are methods and systems for illuminating environments, including aircraft environments. The methods and systems include facilities for providing both white and non-white illumination, with color and color temperature control, in programmed response t... | 04/17/2007 |
| 7201508 | Backlighting method for an automotive trim panel The present invention relates to an apparatus and method of perforating the cover layer or soft skin of an automotive trim panel such as an instrument panel with a laser to allow light to bleed through the perforations. The light source would preferably be a low hea... | 04/10/2007 |
| 7201490 | Airport light installation with split ring adapter Disclosed is an airport light base including a light base container having an upper end with an inverted first flange having a first outer face, an opposing first inner face facing into the light base container, a continuous inwardly directed first edge bounding a f... | 04/10/2007 |
| 7192155 | Airfield edge-light utilizing a side-emitting light source A runway, taxiway or obstruction fighting system having at least one side emitting LED mounted on a base. A cover is optically coupled to the side emitting LED to direct fight at a desired angle from a horizontal plane extending from the base. The cover is manufactu... | 03/20/2007 |
| 7188967 | Outdoor lighting device The present invention provides a lighting device having a battery housing to hold a battery, a light housing having a light source and a lens assembly into which said light source will emit light when activated, said battery and said light source being in circuit wi... | 03/13/2007 |
| 7188976 | Decorative lamp cover A lamp cover or shade comprising a hollow pliant shell having an exterior surface in the form of a decorative shape and an interior surface having pliant ribs extending inwardly from the interior surface, or an integral interior cylinder which ribs or cylinder are o... | 03/13/2007 |
| 7182040 | Personnel guidance and location control system A personnel location control system for controlling and guiding a group of individuals in a selected path to a waiting point and then to an activity in advance of that waiting point. The system in one embodiment relies upon a plurality of disks or like guide path-fo... | 02/27/2007 |
| 7168843 | Modular lighting bar Modular lighting bar mountable on a surface into which may be mounted one or more miniature light sources and an electrical supply line. The light sources can include light emitting diodes. The lighting bar has alternative single and two-component configurations tha... | 01/30/2007 |
| 7153004 | Flashlight housing The present invention provides a lighting assembly that incorporates a high intensity LED package into an integral housing for further incorporation into other useful lighting devices. The present invention primarily includes three housing components, namely an inne... | 12/26/2006 |
| 7144139 | Flexible surface lighting system A system with a pair of flange extrusions and a base extrusion having a channel for electrical leads and lighting. A preferred embodiment has a base extrusion of polyvinyl chloride (PVC) of 89–98 Duro on the Shore OO scale. The base extrusion is connected, on oppo... | 12/05/2006 |