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 |
| 4255477 | Artificial board of lumber An artificial lumber board comprises a plurality of elongated wood strips having medial body portions of different thicknesses and tapered tip end portions being thinner and more flexible than the medial portions wherein the wood strips are aligned longit... | 03/10/1981 |
| 4252594 | X-ray patient support stretcher and method for fabrication A patient support stretcher for X-ray units is formed by curing a multiple layered composite in situ on a balsa wood core.... | 02/24/1981 |
| 4246310 | High performance, lightweight structural particleboard Alined wood particles and an adhesive binder comprise the faces of a sandwiched, laminate-like structure formed in a one-step pressing and heating operation, the interior of which is made of randomly oriented wood particles and an adhesive binder, exhibit... | 01/20/1981 |
| 4241145 | Novel intumescent composition Disclosed is a flame retardant article comprised of an article treated with a flame-retardingly effective amount of an intumescent composition comprised of a cyclic nitrogen compound, a copolycondensed vinylphosphonate, a phosphorous-containing acid and w... | 12/23/1980 |
| 4232067 | Reconsolidated wood product Reconsolidated wood product and process and apparatus for forming the product, the product being formed from webs of splintered natural wood broken down by crushing or like processes, the webs being consolidated by compression and bonded with an adhesive.... | 11/04/1980 |
| 4209867 | Flexible surfboard A lightweight flexible, hollow surfboard having top and bottom decks, at least one of which is made from sheet balsa having the grain perpendicular to a broad surface thereof with a coating of synthetic resin laminated to that surface and spacing means be... | 07/01/1980 |
| 4210692 | Overlay sheet and wood laminate The present invention relates to a novel sheet adapted to be adhered to and form the outer layer of a wood article, said sheet being made from a furnish comprising, for each 100 parts by weight, from about 10 to 25 parts synthetic pulp, 10 to 25 parts by ... | 07/01/1980 |
| 4204420 | Laminated board and hammer combination for a drop hammer forge A laminated veneer hammerboard for a drop forge press comprised of a series of plies of hard, high density wood preferably of the order of a peeled hard maple veneer with the grain of at least most of said veneer plies running along its length, each of sa... | 05/27/1980 |
| 4205107 | Endless composite sheet material A continuous composite sheet material is formed of a genuine wood sheet bonded by a layer of adhesive to a thermally weldable, thermoplastic synthetic resin carrier sheet. This composite sheet is especially useful as a covering for a profiled structure us... | 05/27/1980 |
| 4204421 | Laminated board and hammer combination for a drop hammer forge A laminated veneer hammerboard for a drop forge press comprised of a series of plies of hard, high density wood preferably of the order of a peeled hard maple veneer with the grain of at least most of said veneer plies running along its length, each of sa... | 05/27/1980 |
| 4165409 | Method of fabricating wood composite panels having enhanced fire retardancy What is disclosed is a method of fabricating wood composite panels having enhanced fire retardancy. The panels so fabricated have hard, durable finished surfaces which allow machine finishing without the concurrent loss in fire retardancy due to the finis... | 08/21/1979 |
| 4131705 | Structural laminate A structural laminate having a groove impressed on its surface useful as an external siding. The laminate comprises an outer wood face veneer, the grain of which is oriented along a given direction, and at least two particle board plies, the particle boar... | 12/26/1978 |
| 4128689 | Thermoplastic polymer sheets or web material useful as surfacing materials and their manufacture The invention relates to a process for preparing thermoplastic sheets or webs suitable for use as surfacing materials. Sheets of thermoplastic polymers are known as surfacing materials and, when foamed, as substitutes for wood, but available materials do not c... | 12/05/1978 |
| 4112162 | Structural chipboard wood beam A chipboard beam made of glue coated chips has top and bottom layers extending for the full length of the beam consisting of elongated chips, that may be for example as much as 5cm in length oriented with their fibers in the longitudinal direction of the ... | 09/05/1978 |
| 4103470 | Stressed skin structural diaphragm A roof or ceiling structure for buildings in the nature of a "space frame" or three-dimensional truss, including substantially planar panels and supporting struts and a method for producing the structure on-site. The panels serve a dual purpose as structu... | 08/01/1978 |
| 4103056 | Resilient wood replication Resilient wood replication especially suited for use as floor covering is provided by a thick resilient elastomeric polyurethane base having a wood-stained molded textured wood-grain surface which is overcoated with a clear, tough, abrasion-resistant, fle... | 07/25/1978 |
| 4093762 | Method of making a hardcore honeycomb panel and honeycomb panel made thereby A method of making a hardcore honeycomb panel comprising the steps of providing a multilevel stack of planar boards of grained lumber fastened together and arranged in the stack in step-wise fashion with alternate levels comprising spaced apart board stri... | 06/06/1978 |
| 4047344 | Wood veneer wall covering Wood veneer wall covering made up of various lengths of veneer strips disposed end-to-end in parallel, diagonal rows over a wall surface.... | 09/13/1977 |
| 4012548 | High strength composite wood veneer articles A composite wood veneer article having a lower layer of wood veneer having a grain orientation generally in a first direction and an upper layer of wood veneer having a grain orientation generally in the first direction. At least two layers of wood veneer... | 03/15/1977 |
| 3970497 | End trim plywood process A plywood product utilizing a core panel produced from plywood strips salvaged from edge trim produced by conventional trimming operations during plywood production. The trim strips, having parallel side edges, are laid up side by side and edge glued to p... | 07/20/1976 |
| 3969558 | Veneer sheet of a plurality of thin flat sections of wood In producing a sheet of wood veneer having a large area adaptable for mass-production and adaptable to be made with various wood patterns, a log is divided into a plurality of individual flitches which are subsequently joined by adhesive to form a composi... | 07/13/1976 |
| 3957703 | Plywood adhesive and use thereof A phenolic-aldehyde plywood adhesive containing as an extender a water-insoluble, acid-polymerized lignosulfonate.... | 05/18/1976 |
| 3956555 | Load carrying member constructed of oriented wood strands and process for making same An elongated structural member formed of bonded directionally-oriented wood strands. The member is rectangular in cross section, having a width between longitudinal side edges and thickness between parallel longitudinal faces joining the side edges. Orien... | 05/11/1976 |
| 3946530 | Laminar structural panel A pedestal mountable structural panel is formed by lamination of a series of wraps about a core. A sawtooth arrangement of the junctions of corresponding laminar members of consecutive wraps provides an attractive, sturdy assembly without the use of brace... | 03/30/1976 |
| 3936551 | Flexible wood floor covering The invention pertains to a method of making a wood floor covering which is flexible and can be laid on concrete with a mastic using momentary pressure. Instead of the nominal 3/4-inch thickness of conventional strip hardwood floors, the floor covering is... | 02/03/1976 |
