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Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 7571737 | Joint structure of fold type tent frame A joint structure of a fold type tent frame is provided. In the present invention the joint structure includes a plurality of pillars which support a tent, a plurality of horizontal frames which are supported by the pillars to form a roof, and a plurality of connect... | 08/11/2009 |
| 7350532 | Portable collapsible tent A portable collapsible tent includes a cover, a roof frame with a central pole, inclined roof ribs and spreaders, extensible legs, and cross bars. The ribs and spreaders are pivotally and movably jointed at the central pole. A locking unit secures the roof frame whe... | 04/01/2008 |
| 7347217 | Sunshade A sunshade including a shade, a headrest, an anchoring loop, and a support frame. The support frame supports the shade and the headrest. The support frame is adjustable to enable the positions of the shade and the headrest to be set to any one of a range of in-use p... | 03/25/2008 |
| 7311113 | Roof structure for folding tent frame A tent frame including: leg posts a plurality of expandable connectors connected in pairs between adjacent posts, each connector having first and second outer ends and is fixedly connected at the first outer end to the upper end of one post and slideably connected a... | 12/25/2007 |
| 7252108 | Collapsible shelter with flexible, collapsible canopy The collapsible shelter includes a truss and a canopy framework that provides a flexible, collapsible canopy that is capable of flexing and moving, in whole or in part, between a raised position and lower positions having a reduced profile from the raised position. ... | 08/07/2007 |
| 7178539 | Collapsible gazebo frame with independent canopy support A collapsible gazebo frame includes a set of four corner support members and a set of four scissor assemblies, each being coupled to a different pair of the four corner support members. Each of four scissor assembly sliders is slidingly coupled to a different one of... | 02/20/2007 |
| 7168439 | Collapsible gazebo frame with independent canopy support A collapsible gazebo frame includes a set of four corner support members and a set of four scissor assemblies, each being coupled to a different pair of the four corner support members. Each of four scissor assembly sliders is slidingly coupled to a different one of... | 01/30/2007 |
| 7040335 | Scent containment system for hunting blinds The invention is a scent containment system for hunting blinds. A hunting blind is provided with scent impervious walls and removable light transmissive scent impervious windows. The scent impervious windows are remarkable in that they are designed to be readily pen... | 05/09/2006 |
| 6962221 | Mobile ice fishing shelter assembly A mobile ice fishing shelter assembly for permitting quick and easy movement of a mobile shelter designed to facilitate ice fishing. The mobile ice fishing shelter assembly is positionable on a vehicle having a seat portion and a drive assembly, and may comprise a s... | 11/08/2005 |
| 6948280 | Assembleable and towable/trailerable ice fishing shanty/hunting blind A portable and assembleable enclosure having a floor constructed of a first rigid panel and a second hingedly interconnecting panel, a recessed channel extending about an outer perimeter of the floor panels. A plurality of walls are each constructed of a rigid mater... | 09/27/2005 |
| 6892744 | Collapsible shelter structure A quickly erectable structure includes expandable/collapsible top and bottom assemblies that are interconnected to facilitate forming an enclosure and to facilitate taking down the enclosure. Specifically, the bottom assembly includes a plurality of interconnected X... | 05/17/2005 |
| 6874519 | Collapsible tent skeleton frame having ribs with rounded ends A collapsible tent skeleton frame includes a plurality of poles, a plurality of joints mounted respectively on the poles, a plurality of side ribs pivoted respectively to the joints, a top joint, and a plurality of upper ribs pivoted respectively to adjacent pairs o... | 04/05/2005 |
| 6708707 | Collapsible canopy support A collapsible support (10) for a canopy (15) comprises a peripheral structure (20) and a central structure (60). Peripheral structure (20) includes four telescopingly collapsible legs (21), each having a sliding member (3... | 03/23/2004 |
| 6666223 | Collapsible frame A collapsible frame for use in erecting tents, canopies and the like at outdoor venues includes a plurality of telescopic legs for providing vertical structural support, and a plurality of top corner joints each fixedly mounted upon a top end of a corresp... | 12/23/2003 |
| 6508262 | Folding tent frame A folding tent frame for collapsible tents includes upright pole sets, fixed couplers, stoppers, movable couplers and traverse frame members. Specifically, each stopper is provided on the uppermost pole of the upright pole set at a position lower than the... | 01/21/2003 |
| 6374843 | Support structure for collapsible shelter A support structure for a collapsible shelter, includes legs and upper beams hinged together. Each upper beam is composed of two component rods connected with each other by a freely swinging hinge. Each leg has a sliding part thereon. There is provided an... | 04/23/2002 |
| 6343441 | Unfoldable roof construction In a roof construction (10) with several erected support arches carrying a tentered roof skin (15), both ends of which support arches are held with a fixed distance to one another in the carrying state, each support arch (11)is constituted by several sect... | 02/05/2002 |
| 6173726 | Erectable shelter including a collapsible truss The present invention is directed to a multi-side shelter that may assume a collapsed configuration or an erected configuration. In particular, the present invention is directed to a truss that may assume a collapsed configuration or an erected configurat... | 01/16/2001 |
| 6152157 | One-touch assembling collapsible tent frame A one-touch assembling collapsible tent frame is disclosed. In the tent frame, the pole ribs are quickly coupled to the tent frame through a one-touch motion. The tent frame is stably supported on the ground since the interval between the lower portions o... | 11/28/2000 |
| 6148835 | Temporary housing frame A temporary housing frame is provided including a plurality of supporting columns. A first link member formed from equal length rod member connects two adjacent supporting columns. A second link member connects between the other supporting columns and is ... | 11/21/2000 |
| 5749387 | Portable ice fishing hut A portable ice fishing hut consisting of sturdy plastic roof and floor shells secured together by collapsible supports. The walls of the hut are manufactured from a flexible skin, and the entire structure can be collapsed together for convenient storage a... | 05/12/1998 |
| 4286612 | Folding tent A folding tent for dogs and other domestic animals is provided which is sturdy in structure, convenient to set up and knock down, and substantially rigid when assembled. The tent includes a foldable frame comprising a pair of U-shaped support members pivo... | 09/01/1981 |
| 4170242 | Body supported canopy There is disclosed a body supported canopy comprising a rigid framework supported from the hips and shoulders of a user. The framework comprises a pair of upstanding members to which are independently affixed a pair of generally U-shaped members comprisin... | 10/09/1979 |