Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7887016 | All terrain material and tool tray A reinforced all terrain material and tool tray, having an articulating shelf assembly mounted on an articulating base assembly in order to improve access to construction material such as paint or tools, can be used on a roof, the ground, or on ladder, with or witho... | 02/15/2011 |
| 7374018 | Adjustable tool tray for ladders and the like A storage unit includes a tray including a bottom surface and sidewalls connected to an outer perimeter of the bottom surface. The tray has an open top surface in fluid communication with the ambient surroundings. The sidewalls extend upward from the bottom surface ... | 05/20/2008 |
| 7370726 | Ladder and container combination apparatus A ladder and container combination apparatus includes a ladder with a first pair of legs and a second pair of legs hingedly coupled together. A plurality of steps is attached to and extends between the legs of the first pair of legs. A collapsible housing includes a... | 05/13/2008 |
| 7353911 | Scaffold shelf A removable shelf for attachment to a scaffold including a generally L-shaped frame releasably connectable around one of the vertically spaced horizontal crossbars of the scaffold. An object support panel is connected to one or both of the legs to support objects th... | 04/08/2008 |
| 7270307 | Ladder accessory assembly A ladder accessory assembly that can be attached to a ladder. The assembly includes a platform that can be attached to the ladder by a fastener assembly. The platform is of a size that can create or extend the effective shelf space of the ladder. The platform may ha... | 09/18/2007 |
| 7267197 | Add-on extension ladder An add-on extension ladder is removably mountable to a portion of a conventional ladder to extend the reach of the conventional ladder without any structural modification to the conventional ladder. The add-on extension has integral elements for engaging rungs on th... | 09/11/2007 |
| 7264084 | Tray attachment for a ladder A tool tray support adapted for placement on the top step of a ladder, the support comprising a receptacle for storing construction material and at least one opening formed in the receptacle for supporting a hand tool. The receptacle includes a plurality of cells, t... | 09/04/2007 |
| 7204345 | Scaffolding bracket A bracket for attachment to an upright scaffolding member has a rigid body with a front hook and rear hook thereon for engaging opposing front and rear faces of the upright scaffolding member. A support arm projects horizontally forward from the rigid body beyond th... | 04/17/2007 |
| 7159694 | Step stool tray A step stool includes a frame and a tray coupled to the frame. The tray includes a pair of container receivers. Each container receiver is adapted to receive a container on the container receiver. ... | 01/09/2007 |
| 7124992 | Tool support unit A tool support unit includes a first portion that is attached to a tool, such as a power saw or the like, and a second portion that is attached to a support, such as a table or the like. A telescoping connection between the two portions of tool support unit permits ... | 10/24/2006 |
| 7114592 | Ladder with magnetic tool holder plate A magnetic tool holder for a ladder 14 providing means for holding the selective positioning of tools to the top step 24 of a ladder. The tool holder is comprised of a planar magnetic material 12 being substantially rectangular fixedly attached ... | 10/03/2006 |
| 7104361 | Ladder A platform ladder comprising two elongate ladder sections having feet at one end and an upper end, the upper end of each section being hinged to an upper rail, a platform pivotally secured to one ladder section below the upper end and adapted to interconnect with th... | 09/12/2006 |
| 7094050 | Burner A burner capable of reducing manufacturing costs by attaching upper and lower flow regulating plates to a metal plate rationally from the viewpoint of costs is provided. A burner 100 comprises a metal plate, having formed thereto a plurality of flame ports | 08/22/2006 |
| 7077238 | Ladder caddy A ladder caddy for holding tools, small parts, and the like for a workman on a ladder includes four curved cradles for holding the caddy to the ladder, two of the cradles holding consecutive and respective rungs of the ladder when the caddy is mounted in a first pos... | 07/18/2006 |
| 7069704 | Roofing rail transportation system A rail transportation system particularly suited for transporting roofing materials upon an uncompleted roof. Sections of tubes form rails, allowing several rail cars carrying various roofing materials to transport those roofing materials from the edge of the roof t... | 07/04/2006 |
| 7063187 | Ladder attachment system A ladder attachment system for supporting a plurality of items in an easy to access location. The ladder attachment system includes a tray positionable upon an upper platform of a ladder, and a pair of extended legs extending from the tray for engaging the support l... | 06/20/2006 |
| 7059448 | Ladder accessory for holding paper and tape An accessory includes a handle-operated clamp and is mounted on a rail of a ladder, such as an extension ladder, to hold paper and tape in position to be easily accessed by a worker balancing on the ladder. ... | 06/13/2006 |
| 7055454 | Vehicle expansion retainer In some embodiments, an accessory retainer apparatus for a vehicle may include one or more of the following features: (a) a handle member, (b) a shaft pivotally coupled to the handle member at the proximal end, the handle member pivotally rotatable between an open a... | 06/06/2006 |
| 7051837 | Folding workbench and dolly combination A folding workbench comprises a support frame, a pair of equipment support members, a work platform, a vise, a storage drawer, a light source, at least one electrical outlet, an electrical cord in a storage reel, a plurality of wheels, and at least one handle. ... | 05/30/2006 |
| 7036629 | Standing seam roof bracket A roof attachment apparatus for being mounted on a roof having at least one standing seam. The apparatus comprises a plurality of base plates for being disposed on opposite sides of the standing seam on a surface of the roof, a platform support member for supporting... | 05/02/2006 |
| 7032711 | Accessory tray for stepladders A tool and hardware accessory having base securable to the top cap of a ladder at clamps which are designed to provide universal mounting to most ladder caps. A tray is pivotally mounted to the accessory base at hinge sections and when deployed extends forwardly and... | 04/25/2006 |
| 7000732 | Magnetic top for ladders and method of construction thereof A ladder that has a top portion that has numerous magnets attached or embedded into it. The magnets surround the sides of the ladder top as well as attached to the underside of the top plate. In this way, tools, fasteners, paint cans, or any other metal items can be... | 02/21/2006 |
| 7000876 | Tray for ladder bracket A tray for use in conjunction with a ladder bracket includes a plurality of upwardly opening compartments that may be used to hold paint, tools, or other painting supplies or implements. The bottom of the painter's tray is provided with structural features to engage... | 02/21/2006 |
| 6997283 | Ladder stabilizer attachment apparatus and methods Ladder attachment apparatus and methods are disclosed. In one embodiment, an attachment apparatus for a ladder includes a main support adapted to be coupled to the ladder approximately parallel to the rungs. The main support includes a first coupling member proximat... | 02/14/2006 |
| 6997282 | Adjustable ladder A ladder is adjustable in a plurality of planes so a wide variety of sloped surfaces can be accommodated. The ladder includes non-slip surfaces on the steps and a paint can holder that can accommodate a one gallon paint can. ... | 02/14/2006 |
| 6966406 | Step platform attachable to a ladder A ladder step platform can be mounted on any ladder having hollow rungs extending between ladder rails. This ladder step platform is especially intended for use with conventional extension ladders. The ladder step platform includes a tread or step plate extending be... | 11/22/2005 |
| 6962237 | Ladder stand-off A ladder stand-off includes a beam and two arms fixedly connected to the beam at two spaced apart points between the two ends of the beam. The two arms extend outward from the beam so as to be angularly divergent with respect to each other. A contact element is pivo... | 11/08/2005 |
| 6824115 | Paint tray holder A tray holding device for mounting to a D-rung ladder is disclosed. The mounting shaft inserts into an outwardly facing D-shaped aperture of the ladder and slidably engages the inner wall of the rung. In one embodiment, the shaft is D-shaped and fits telescopically ... | 11/30/2004 |
| 6729439 | Tool support attachment for a ladder A tool support attachment for a ladder for supporting carpentry and building tools upon a ladder. The tool support attachment for a ladder includes two panels having first and second side edges and also having a plurality of elongate tool-mounting slots being dispos... | 05/04/2004 |
| 6698548 | Ladder platform A platform that attaches to a step on a ladder and has a tray that holds tools, work pieces or other articles. The tray attaches to the step using a support member and a latch, such as a spring-loaded latch. The platform can be removed from the step by mo... | 03/02/2004 |
| 6698699 | Working material retaining accessory Working material containers such as paint cans may be effectively stabilized from accidental dislodgment from a ladder shelf, such as a step ladder shelf, through the use of a working material container accessory. The accessory includes a flat upper suppo... | 03/02/2004 |
| 6691825 | Adjustable ladder stabilizer and tool holder An attachment for a straight ladder that can stabilize the ladder when placed against vertical surfaces that include a flat wall, an inside corner and an outside corner. Adjustments permit use around a window or other such structure within the wall. A tub... | 02/17/2004 |
| 6688570 | Extension ladder utility/tool tray The invention is a portable, lightweight, utility/tool tray designed to safely and reliably hold tools and supplies on a general use extension ladder. The utility/tool tray is a sturdy, self contained device whose base area will have an area for tool stor... | 02/10/2004 |
| 6688426 | Wheel extension and lift device for ladders A device for allowing a user to selectively extend and retract wheels at the feet of an A-frame stepladder thereby enabling the user to move the ladder from point "A" to point "B" without physically moving, lifting or dragging the ladder. The apparatus in... | 02/10/2004 |
| 6637548 | Personal stand and method of using a personal stand A personal stand incorporating a ladder, a user supporting platform and a load sensitive pliant suspender that is easily adapted for use with an extension ladder. The personal stand improves the user's footing as well as the user's comfort. Pliancy of the... | 10/28/2003 |
| 6601674 | Device for storage of a tool A device for securing a tool to a scaffold wherein the device comprises a base having a front side and a back side; an attachment apparatus affixed to the back side for attaching the base to a scaffold; and a holding device connected to the front side and... | 08/05/2003 |
| 6565051 | Paint can holder A container holding apparatus that is removably attachable to the end of a ladder is provided. In the preferred embodiment, the apparatus includes a base structure separating two rail caps. The rail caps have a vertical front surface and an inclined rear ... | 05/20/2003 |
| 6502664 | Accessorized stepladder An accessorized stepladder for providing increased functionality to a user. The accessorized stepladder includes a standard stepladder having a an upper platform for holding a plurality of tools and accessories, side storage members for holding fluorescen... | 01/07/2003 |
| 6467577 | Ladder mate An open tool box with a cover positionable over a portion of the box. The cover is adapted to hook onto the top of a step ladder.... | 10/22/2002 |
| 6467744 | Parts and power tool holder for lift arm A parts and power tool holder is provided for mounting to an automotive lift wherein the automotive lift may be raised and completely lowered without having to remove the parts and tool holder from the lift. It is comprised of a tray having a bottom surfa... | 10/22/2002 |
