Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8186640 | Portable drawing apparatus A portable drawing apparatus configured to act as an easel and/or desk includes a pair of upper support members each pivotally connected to a respective lower support member, and also each pivotally connected to a respective rear support member. In an operational co... | 05/29/2012 |
| 7857277 | Portable drawing apparatus A portable drawing apparatus configured to act as an easel and/or desk includes a pair of upper support members each pivotally connected to a respective lower support member, and also each pivotally connected to a respective rear support member. In an operational co... | 12/28/2010 |
| 7740219 | Easel for supporting a flip chart or other display device with collapsible foldable legs A collapsible easel with foldable legs adapted to support a display device comprising a combination display panel and folded legs. In one embodiment, a three-leg assembly is pivotally connected to the display panel. The portions of each leg are connected by a linear... | 06/22/2010 |
| 7293753 | Four-legged artist easel An artist's easel having four legs that are pivoted at their upper ends on a pivot housing so that the lower ends can be spread to support an artist's board or collapsed to a position in which they are adjacent one another. ... | 11/13/2007 |
| 7287751 | Barrier game display unit education system The invention is directed to an educational system for use in instruction of educational concepts while playing a game. The system consists of a game sheet having an illustration for use in instruction of an educational concept, a set of magnetic playing pieces asso... | 10/30/2007 |
| 7264216 | Tilt-back triangular supports for speaker and amplifier cabinets The present invention is a rigid or collapsible folding stand for a high fidelity amplifier or speaker. In general, the amplifier or speaker has a rear base edge placed on a two or more flexible straps. The amplifier or speaker is then tilted backward until it touch... | 09/04/2007 |
| 7191729 | Flare carrier and support A storage container for flares in combination with an extendable support structure to elevate the burning flares above the road bed. The storage container and the support structure are mounted on a heavy base. The extendable support structure has flare holders at th... | 03/20/2007 |
| 7168666 | Portable support structure The present invention is a device having at least two strut assemblies joined together to form a free standing support that is both portable and collapsible. Components may be joined to one another by a flexible cord, and a flexible load bearing web to limit the max... | 01/30/2007 |
| 7118084 | Adjustable easel An adjustable easel having a canvas holder and a base is provided. The canvas holder is attached to the base in a way that the canvas holder can swivel with respect to the base and the canvas holder can be tilted with respect to the base. A connecting device include... | 10/10/2006 |
| 7066438 | Collapsible supporting device for a portable computer In a collapsible supporting device for a portable computer, a pair of base members and a pair of interconnecting members are connected pivotally to a coupling seat. A pair of supporting members are coupled to the interconnecting members, respectively. The supporting... | 06/27/2006 |
| 7000882 | Foldable tabletop easel A foldable tabletop easel with a pair of opposing support members rotatably connected in a vertical central joint, opposing pedestal members rotatably attached to the lower vertical portion of the outside edges of the respective support members and a positioning tab... | 02/21/2006 |
| 6773123 | Baby seat mirror An apparatus is provided that allows drivers of motor vehicles to see the face of infants or children sitting in rear facing car seats in the rear of the car. A foldable “L”-has approximately the same width as a conventional infant car seat. The bottom portion o... | 08/10/2004 |
| 6772987 | Portable easel assembly A portable easel assembly includes a paint/sketch box having a base and lid connected by a hinge assembly. The base defines a cavity for storing art supplies, and the lid is configured to support a painting surface. The base and lid are inter-connected with a slide ... | 08/10/2004 |
| 6645031 | Playboard with collapsing easel A children's playboard of the type comprising a backing having a front surface of a cloth material for adhering figurines thereto and a back surface is disclosed. The children's playboard has a support structure. The support structure is fixedly attached ... | 11/11/2003 |
| 6601805 | Collapsible art easel An improved collapsible easel having a plurality of support legs, a spine member and a board support. The support legs include at least one rear support legs and two front support legs. A top portion of each of the support legs are connected to an upper r... | 08/05/2003 |
| 6393748 | Sign support system The system includes a plurality of parallel vertically disposed end support structures. Each support structure comprises two vertically disposed support legs. The upper and lower ends of the support legs are connected respectively to each other by upper a... | 05/28/2002 |
| 6234442 | Collapsible easel with a panel standable on an uneven ground A collapsible easel with a panel standable on an uneven ground includes an easel consisting of three tripod feet adjustable in length and collapsible to be contained in the panel consisting of two cover plates pivotally connected to each other. A first co... | 05/22/2001 |
| 6202974 | Portable easel with adjustable board support A portable easel with adjustable board support which has a plurality of legs pivotally joined together by a head, the legs of which may be selectively spread apart when set up as an easel and folded together when collapsed, each leg composed of multiple i... | 03/20/2001 |
| 6196512 | Book stand A portable book stand is adapted for attachment to the back of a pew, bench, chair or similar item, as well as free-standing use on a flat surface such as a table. The book stand may include two separate folding arms attached to the rear surface of a plat... | 03/06/2001 |
| 6186593 | Easel A combination chair and easel is disclosed which is collapsible into a small package for easy carriage by an artist into the field. Various carriage methods could be used including the addition of handles and wheels, or the addition of backpack-type strap... | 02/13/2001 |
| 6095534 | Collapsible luggage cart A collapsible luggage cart characterized by left and right telescoping members having top sections and bottom sections, the top sections being pivotally connected so that when the cart is extended for use the telescoping members provide an A-frame back fo... | 08/01/2000 |
| 6076787 | Portable stand for laptop computers A portable stand for holding a laptop computer is capable of folding to a compact state for storage purposes. The portable stand includes an elongated base member with a pair of base feet to rest on a floor surface, a set of vertically extending post memb... | 06/20/2000 |
| 5950979 | Portable and foldable easel A stretcher for a canvas that includes three co-planar elongated members centrally foldable are pivotally interconnected with two horizontal elongated members. One of the elongated members has longitudinal slots along which one of the ends of each of the ... | 09/14/1999 |
| 5882070 | Portable easel and seat for artists A portable easel and seat for artists is foldable into a compact unit and has wheels for pushing or towing to a site. The easel comprises a box having removable wheels mounted at a rear end, and two legs pivoted at the front end of the box, the legs exten... | 03/16/1999 |
| 5755423 | Folding portable support stand A folding portable support stand suitable for a document or book. In the open configuration, the support stand is comprised of hinged triangular panels forming a tetrahedral stand assembly which support a pair of open covers forming an inclined angle with... | 05/26/1998 |
| 5720465 | Multi-position reading stand A compact portable reading stand, which serves to hold a book open in a number of positions, with a rigid backing plate having a lower slide raft. On this rail slide positionable spring-loaded page clamps which hold book pages open by pressing against out... | 02/24/1998 |
| 5713553 | Portable stand In a combination stand and rack releasably secured atop the stand, the stand is convertible between an extended use position and a collapsed storage position. The rack includes a hollow spine for storage of the stand in the collapsed storage position. The... | 02/03/1998 |
| 5624097 | Sheet-supporting stand A sheet-supporting stand or easel includes two or more legs, at least one of which is adjustable in length, so as to vary the angle of the stand relative to the ground. A U-shaped mast provides a carriage area for holding one or more sheets, and a pair of... | 04/29/1997 |
| 5497971 | Trigonal pyramidal bookstand A portable, collapsible bookstand to retain a book or sheets of paper in an upright position is described. The bookshelf is formed from a supporting shelf secured horizontally by two of three legs in a trigonal pyramidal arrangement. The three legs are se... | 03/12/1996 |
| 5480119 | Portable podium A lightweight portable podium is provided for use in lectures and other speaking events. The podium rests on a table or desk and has an inclined shelf which forms the upper surface on which notes and papers can readily repose. The shelf is screened from p... | 01/02/1996 |
| 5305114 | Electronic blackboard apparatus An electronic blackboard apparatus, which reads a writing on a writing sheet fitted on a blackboard framework and which electronically copies the writing onto a recording medium. The apparatus includes a blackboard framework foldable together with the wri... | 04/19/1994 |
| 5205526 | Collapsible display easel A collapsible display easel is provided which can be easily extended into a sturdy, erect easel for holding display material, and easily retracted and folded into a compact configuration for transport. The display easel includes a two-legged supporting st... | 04/27/1993 |
| 5129616 | Book support for supine or seated readers A highly adjustable and simple to use book holder for supine or seated readers is provided by pairs of legs joined near their tops by slotted brackets, which pairs of legs define vertical planes straddling the reader. The slotted brackets allow the relati... | 07/14/1992 |
| 5125613 | Easel Display easel having an elongated connector to which are attached three legs which can be moved from parallel storage positions to angular erection positions to form a tripod. The connector has a longitudinal passage in which slides a support rod, the mov... | 06/30/1992 |
| 4832303 | Reading material support stand A reading material support stand is set forth wherein the same is formed of a collapsible interfoldable organization wherein a transparent foldable support surface is generally inclined at an acute angle of approximately 70 degrees to enable a reclining r... | 05/23/1989 |
| 4813644 | Telescoping music stand A folding support stand especially adapted to be collapsed into a compact unit for storage or transport. The support stand comprises one or more main support members which interfit in slideable telescopic relationship with one another. Positioned circumja... | 03/21/1989 |
| 4684099 | Pivotally mounted scheduling boards The board comprises a generally rectangularly shaped multi-layer panel section secured around its periphery in a rigid frame that is generally U-shaped in cross section. The panel section includes a plastic-coated metal layer forming the face of the board... | 08/04/1987 |
| 4610416 | Book holder A foldable book stand which comprises, a front surface and a rear surface, said front surface having substantially parallel transverse crease lines disposed across the lower portion thereof, said front surface being folded on itself in opposite directions... | 09/09/1986 |
| 4610414 | Easel An upright standard including a center work holder rack providing means of mounting two horizontal workpiece support holders that can readily secure workpieces of a differet height. The work holder rack and workpiece so retained may be readily adjusted to... | 09/09/1986 |
| 4591124 | Hospital bed reading book support A hospital bed reading book support with fluorescent lamp attachment which has a book rest, an adjustable lamp, a pivotal upper vertical post, a pivotal horizontal post, and a slideable lower vertical post. All moveable parts may be locked by use of wing ... | 05/27/1986 |
