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| Number | Title | Issue Date |
| 8122609 | Step and rafter tool A tool for use when laying out lines on stair stringers or roof rafters along which cuts are to be made. The step and rafter tool includes a framing square, an angle bracket and two carriage bolts with washers and wingnuts. Each leg of the framing square has a longi... | 02/28/2012 |
| 7478485 | Obtuse angle range adjustable square and method An obtuse angle range adjustable square provides an extended angle adjustment that minimizes the user's reach distance required to mark framing cuts. The frame of the obtuse angle range adjustable square has a triangular section and an extended slot extension sectio... | 01/20/2009 |
| 7350306 | Easy stairs Easy Stairs is an L-shaped device having a diagonal sliding rod attached to the two sides. Connectors with locking devices allow the diagonal rod to firmly affix to the sides at various locations. To use Easy Stairs, a user adjusts the diagonal rod along the edge of... | 04/01/2008 |
| 7269909 | Rafter layout tool A rafter layout tool for facilitating the layout of ridge cut, bird's mouth, seat cuts, fascia and soffit for the common hip, valley rafter cuts comprising a protractor member, measurement indicator arm and 90 degree arm and move up and down and side to side for dif... | 09/18/2007 |
| 7254898 | Multi-purpose speed square A multi-purpose framing square has an elongate blade having a T-shaped slot with an L-shape at the base of the T-shaped slot. A handle has a top end has a handle thumbscrew hole. The handle is boltably attached through the handle thumbscrew hole to the blade through... | 08/14/2007 |
| 7188427 | Multi-task protractor A multi-task protractor apparatus having the capabilities of a rotating protractor, adjustable triangle, ruler, miniature leveler, framing square and roof angle finder is disclosed. The multi-task protractor accurately measures angles and slopes and provides two str... | 03/13/2007 |
| 7114264 | Length adjustable rafter square A rafter square is provided with a triangular base plate, having a flanged base edge portion, a side edge portion, and a hypotenuse edge portion. An extension arm is selectively movable from a retracted position, closely adjacent the hypotenuse edge, to an extended ... | 10/03/2006 |
| 7073240 | Duct joint layout tool A layout tool and a means for using the tool to fabricate multi-segment elbows and offset joints from rectangular cross-section fibrous air ductboard material. The tool has a triangular main body having at least one structural feature that defines a plane. At least ... | 07/11/2006 |
| 6954990 | Angle measuring device A measuring device is provided for carpenters, roofers and other tradesmen. The device is made of relatively lightweight plastic and has a variety of uses. The elongated base is rectangular in cross sectional and includes a scale for measuring distances along one si... | 10/18/2005 |
| 6918189 | Combination layout tool A combination layout tool especially for use in larger building projects that can be used repeatedly to accurately produce different angles and cuts or layouts. The tool is provided with incremental angle slots in radial alignment with a notch in one side edge for p... | 07/19/2005 |
| 6758016 | Adjustable support for steps A support for steps, having the shape of a triangular corner plate to be installed one after the other along a stringer. The sides of this support are reinforced, horizontally and vertically by a 90 degree fold, to fix the steps and risers. The ends are wider and po... | 07/06/2004 |
| 6314652 | Multi-purpose, multi-functional tool A multi-purpose, multi-function tool of compact design made up of a plurality of components having levels thereon which interact together to provide a single tool which can perform a number of various functions or purposes within the design or constructio... | 11/13/2001 |
| 5809659 | Angle guide instrument An angle guide instrument having particular utility for handrail installation which includes a body portion having an outer arcuate edge and first and second arms which are pivotable with respect to the body and are used in conjunction with levels mounted... | 09/22/1998 |
| 5446969 | Combination square and multi-purpose hand tool A combination square and multi-purpose hand tool can be utilized as a large number of hand tools including a square, bevel square, stud and ceiling strapping spacer, clamp, caliper, string tender, and scribe. A first L shaped member includes a blade porti... | 09/05/1995 |
| 5388340 | Stair layout square with adjustable rake bar A square for laying out and marking run and rise lines on supporting stringers for a staircase has a rake bar connected to slots near the ends of blades of the square. Markings showing a range of horizontal run distances are placed on the outer edge of th... | 02/14/1995 |
| 4974329 | Goniometer The goniometer (1) comprises a scale (203) having three sectors (204, 205, 206) in degrees, grads, and percent. A pointer arrangement (207) is disposed above the scale, and a central arbor bears a handle (208). Fixed in an extension (210) of the handle is... | 12/04/1990 |
| 4916822 | Angle and distance measuring instrument An angle measuring instrument provides two straight arms connected at one end for relative pivotal movement. A telescoping assembly includes two elongated telescoping members each providing a free end. The free end of one telescoping member is pivotally c... | 04/17/1990 |
| 4712307 | Rafter angle measuring device The rafter angle device includes a body in the form of a generally U-shaped plate of metal or the like having a horizontal base and spaced first and second vertical arms at opposite ends thereof. A third arm is pivotally connected to the plate at about th... | 12/15/1987 |
