Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 8011308 | Telescopic table support A telescopic support is disclosed and has outer and inner leg parts. The outer leg part has: a tubular body defining a longitudinal axis and having an interior passage through which the axis extends centrally. The inner leg part has: a shuttle body part disposed at ... | 09/06/2011 |
| 8001909 | Telescopic lifting column for height adjustment of elevatable tables A telescopic lifting column for height adjustment of elevatable tables (1) consists of a stationary rectangular profile (2), which at the bottom rests against a floor, and of a sliding quadrangular profile (3), which slides inside the stationary... | 08/23/2011 |
| 7908981 | Height adjustable table A height adjustable table is disclosed wherein all horizontal supports that span between legs have been eliminated to increase storage space and knee space in the area under the table work surface. A unique telescoping leg arrangement is disclosed. ... | 03/22/2011 |
| 7743716 | Adjustable height counter top system A motorized elevator unit for adjusting the height of counter tops has right and left elevator assemblies under control of a primary control switch. Each elevator assembly includes top and bottom frames which may be formed from T-slotted framing with the top frame s... | 06/29/2010 |
| 7735432 | Vehicle mounted display elevating device A vehicle-mounted display elevating device comprising a display rack for mounting a display, and being provided with a threaded structure; a screw rod, engaging with the threaded structure; a gear transmission pair for coupling the output shaft of a motor with the s... | 06/15/2010 |
| 7439694 | Adjustable lectern system An adjustable lectern includes a base portion having a tubular upstanding base member and a tubular upstanding tower member that is mounted in a telescoping arrangement with respect to the base member. The base member and the tower member are each respectively forme... | 10/21/2008 |
| 7412931 | Quick crank adjustable height table A table or desk assembly (20) includes a base having a pair of legs (24), a worksurface (22) supported by and between the pair of legs, and a rapid, counterbalanced height adjustment mechanism interposed between the legs and the worksurface for ... | 08/19/2008 |
| 7398738 | Workstation with adjustable height work surface A work station with an adjustable height work surface includes a telescoping height adjustment mechanism. Stabilizers, spaced apart from the telescoping height adjustment mechanism, prohibit rotation of the work surface. A pair of guide members is attached to suppor... | 07/15/2008 |
| 7383786 | Active platform for a boat A device for elevating a platform over a boat deck. This type of device can include a platform, a drive, and at least one driven lift which is in communication with the drive. This driven lift can be coupled at a first end to the platform and at a second end to the ... | 06/10/2008 |
| 7325343 | Display board system An apparatus configured to allow the retention of at least one display board with a mounting structure is disclosed. The apparatus comprises a retaining system. A portion of the retaining system is deformable to retain at least one display board in a press-in, inter... | 02/05/2008 |
| 7324334 | Cart with uninterruptible power supply A cart including (a) a base (110) configured to hold a central processing unit; (b) an uninterruptible power supply (160) configured to provide power to the central processing unit; (c) a compartment (190) adjacent the base and configured to enc... | 01/29/2008 |
| 7311048 | Pneumatic table assembly An adjustable table assembly incorporating pneumatics. In one aspect, the table assembly includes a table surface that is adjustable in a vertical direction and further includes wheels for transportation. In other aspects, the table assembly includes a step assembly... | 12/25/2007 |
| 7278687 | System and method for bar stool height adjustment Securely stacking and height adjustable bar stools are provided. In one embodiment of the present invention, the seat of a bar stool includes an upper leg restraining system that accommodates a pair of legs from another bar stool that is to be securely stacked on to... | 10/09/2007 |
| 7270062 | User height adjustable tables, support structures, and chairs A height adjustable structure comprises a base, a height adjustment column disposed above the base and supported thereon, and a table top or chair seat support disposed above the height adjustment column. Alternatively the height adjustable structure comprises two o... | 09/18/2007 |
| 7246779 | Telescopic legs and tables A telescopic leg has a housing with a lift cylinder or mechanical screw jack type lift and an external track for adjustably coupling to a member. Such telescopic legs can be used to define a variety of table base configurations by providing multiple angularly aligne... | 07/24/2007 |
| 7246784 | Spring-loaded shelf for a cooler A spring-loaded shelf for an existing beverage cooler, which obviates the need for a user to reach more deeply within the confines of the cooler for a beverage as the contents of the cooler become depleted. The spring-loaded shelf has a base, a platform pivotally at... | 07/24/2007 |
| 7242577 | CPU carrying cart with uninterruptible power supply A CPU cart is provided for easily moving a vertical or tower configuration CPU and integrating a UPS. In one preferred embodiment of the invention, the CPU cart includes a generally planar rectangular shaped base for receiving the CPU and four wheels located under t... | 07/10/2007 |
| 7220185 | Height-adjustable game table A game table is disclosed having a support structure including leg assemblies at either end supporting the table. The support structure includes release/lock mechanisms and counterbalancing elements causing an upward force against said tabletop to substantially offs... | 05/22/2007 |
| 7216840 | Supporting framework for a swivel chair or swivel table A supporting framework for a swivel chair or table includes a gas spring and a cylinder put on the gas spring. The cylinder includes two opposite holes and a plurality of equally circumferentially spaced longitudinal apertures. Spring loaded posts and lock bars are ... | 05/15/2007 |
| 7207278 | Electrically-driven computer monitor lift and storage assembly An assembly for selectively lifting a computer monitor, and particularly a flat screen computer monitor, from a storage position below the top of a desk or table, to a use position above the top in which the monitor is visible to the user. The assembly includes a st... | 04/24/2007 |
| 7204193 | Holding apparatus, which can be placed on a table and is also mobile, for a work aid The mobile holding apparatus has a support plate which has an upper side with a work surface and a lower side and is mounted height-adjustably on a stand. The stand is free-standing and the support plate has a guide with which it is guided on the stand. A gas spring... | 04/17/2007 |
| 7201353 | Adjustable lectern system A adjustable lectern system for facilitating adjustment and movement according to the particular needs of various sequential users. The adjustable lectern system includes a base portion designed for resting upon a horizontal support surface and having a relatively b... | 04/10/2007 |
| 7194358 | Lift collision avoidance system The present invention is directed to systems, devices and methods for avoiding collisions and detecting objects proximate to a surface. In one embodiment, a system for collision avoidance includes at least one sensor adapted to sense an object above a lift device an... | 03/20/2007 |
| 7188843 | Multiuse lifting and rolling platform A combination lift table, platform, tilt back hand truck, scaffold, work bucket, floor jack and mechanic' creeper. The combination is a portable and foldable unit that converts into a tilt back hand truck having two wheels or six wheels that have a lift table with e... | 03/13/2007 |
| 7168665 | Display apparatus A display apparatus having a display main body provided with a screen, and a base unit to support the display main body. The display apparatus includes a supporting unit provided between the display main body and the base unit to support the display main body to be ... | 01/30/2007 |
| 7165498 | Vibrating table assembly for bag filling apparatus A vibrating table assembly for an apparatus for filling and weighing bulk bags comprises a bag support table, a vibrating device for vibrating the bag support table, and a lifting device for raising an lowering the bag support table, the lifting device being located... | 01/23/2007 |
| 7163184 | Drive unit, preferably for lifting columns for height-adjustable tables, and a lifting column A drive device, preferably for lifting columns for height-adjustable tables, comprising an endless chain (31) running over first and second chain wheels (16, 17) with a first chain run and a second chain run between the two chain wheels, wherein at lea... | 01/16/2007 |
| 7156745 | Combination pool table/ping pong table A combination pool table/ping pong table having height adjustment means for raising and lowering simultaneously the four corners of the game table. This allows the game of pool to be played at a proper regulation height and also allows the ping pong table to be used... | 01/02/2007 |
| 7134634 | Column unit The present invention relates to a column unit which connects a chair sheet to a base in which a wheel is installed. The present invention provides a column unit which comprises a base tube having a lower end portion vertically fixed to a base of a chair and having ... | 11/14/2006 |
| 7128003 | Lifting device for visual screens A device for lifting and lowering visual displays, such as television sets, video monitors, plasma displays, pieces of art, or the like. The elevating device includes an elevating mechanism that elevates a first sliding frame and a second sliding frame. The first an... | 10/31/2006 |
| 7114693 | Stable cell platform A stable platform supports a cell, the stable platform comprises a lower mainframe, an upper mainframe, and a dampener system. The upper mainframe includes a plurality of recesses. Each recess is configured to receive a cell. The dampener system connects the lower m... | 10/03/2006 |
| 7108144 | Portable work stations Portable work stations which permit a one-step, touch-free finishing of all surfaces of doors, shutters, window sashes, cabinet doors, garage doors, spindles, and other workpieces. There are also provided trim measuring and cutting, and hinge mortising and prep rack... | 09/19/2006 |
| 7106014 | Lectern A lectern incorporating a support member having a recess that can receive a control panel or laptop or notebook computer, for use with the by a speaker or other presenter. The support member defines an interior, and includes a keyboard tray slidably received within ... | 09/12/2006 |
| 7104203 | Height adjustable device for a retractable tube assembly A height adjustable device is received in the inner tube which is retractably inserted in an outer tube, and includes a base which is fixed in the inner tube and two stop plates are pivotably connected of the base. Two respective first ends of the two stop plates ex... | 09/12/2006 |
| 7090297 | Heavy lift chair A power-assisted heavy lift chair comprises a base assembly. A chair frame is supported on the base assembly. A lift mechanism communicates with the base assembly and the chair frame, and is operable to actuate the chair frame between first and second positions. A t... | 08/15/2006 |
| 7086632 | Keyboard instrument support with adjustable ability A keyboard instrument support has a driving device to control upward and downward movement of inner tubes relative to the outer tubes and a ratchet device to retain the elevation of the inner tubes. The ratchet device includes a ratchet alternatively rotated by the ... | 08/08/2006 |
| 7077068 | Height adjustable table A height adjustable table includes a frame that has a pair of spaced apart, generally vertical frame sections, each supported upon a foot, a transverse, generally horizontal section that connects at its end portions to the vertical sections and a pair of lifts that ... | 07/18/2006 |
| 7070189 | Adjustable-height creeper with angled head piece A creeper for use in working in the interior of a vehicle has a lower body portion, with wheels affixed thereto for movement of the creeper. An upper body portion is connected to the lower body portion. A head piece is mounted to the upper body portion, and has a le... | 07/04/2006 |
| 7063024 | Computer monitor lift and storage mechanism A lifting mechanism for selectively lifting a computer monitor, and particularly a flat screen computer monitor, from below a desktop to a position on the desktop includes a stationary member including a linear slide mechanism, a vertically slideable support member ... | 06/20/2006 |
| 7055186 | Combination spa and entertainment system A combination spa and electronic entertainment system is disclosed. The spa includes a tub with an upper edge from which horizontal surfaces extend. The surfaces have apertures through which water-tight housings may be raised and lowered. The housings hold component... | 06/06/2006 |
