The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| 7310888 | Masonry story pole with adjustable braces A masonry story pole with braces includes: a.) an elongated vertical pole member for corner positioning to set horizontal lines for bricklaying, having a working area between a top end and a bottom end; b.) a bottom support bracket connected to the bottom end of the... | 12/25/2007 |
| 7107895 | Coffee measuring device A device for measuring out coffee in a coffee-maker with conical paper or synthetic fibre filter, characterised in that it comprises at least a slide (300) including at least a mark for measuring out an amount of coffee when the slide (300) is arranged... | 09/19/2006 |
| 6964115 | Levelling rod for building construction A leveling device for leveling floor pavement layers comprises a rod (1) having a hollow (90) therethrough and a fixing flange (11) for fitting with a fixing member at a lower end, a fixing member (3) including an aperture (31) in ... | 11/15/2005 |
| 6920735 | Block positioning tool A block positioning tool includes a first elongated member and a second elongated member attached together such that a L-shaped frame is formed. The frame has an upper surface and a bottom surface. The first and second elongated members each have a slot therein exte... | 07/26/2005 |
| 6912794 | Bricklayer's combination level and plumb A bricklayer's combination level and plumb having a first I-section beam, a second I-section beam, and a connector pivotally and slidably connecting the second I-section beam to the first I-section beam wherein the second I-section is angularly displaceable up to an... | 07/05/2005 |
| 6860024 | Quoin corner form used in bricklaying A quoin tool and method for constructing a quoin corner and a regular corner on a structure. The quoin tool includes a two frames rotatably joined by a series of cross-members. Slots are defined between the cross-members to allow egress of mortar during bricklaying.... | 03/01/2005 |
| 6817107 | Batter board apparatus Batter board apparatus for use in building construction, including first and second sleeve members hingedly connected and adapted to slidingly receive first ends of first and second elongated board members, respectively, for hinged movement between parallel position... | 11/16/2004 |
| 6719486 | Apparatus for screeding A screed where the installation is laid out with hollow ended pointed rods. The rods have markings on them to indicate the proper excavation depth for application s such as patio/walkway or d driveway. A grade pin or a jackhammer pin is inserted into the hollow ends... | 04/13/2004 |
| 6490803 | Batter board A batter board for aiding in the placement and alignment of foundation lines and other structural elements. The batter board includes a main crossmember that has a slot along the top surface in which an alignment device slides for positioning an alignment... | 12/10/2002 |
| 6415518 | Apparatus for laying out a building foundation An apparatus for laying out a building foundation is provided. The apparatus according to the present invention includes a first member for engaging a wire and a second member mounted to the first member and movable between a range of positions. The secon... | 07/09/2002 |
| 6233882 | Baseboard saver tool and method of use A baseboard saver tool for preventing damage to a baseboard during installation of a carpeting tacking strip. The tool includes an upright rectangular board with a support arm attached thereto. The support arm is hinged and locked in the open position or ... | 05/22/2001 |
| 6178651 | Reusable batter board support A reusable support for a batter board member is provided comprising at least one sleeve for receiving a batter board member attached to an elongate spike such that a batter board member received within the sleeve is supported in a substantially vertical o... | 01/30/2001 |
| 5778546 | Construction alignment apparatus and method An adjustable batter board used in locating forms and trenches for pouring foundations and constructing walls includes an elongated tubular cross member having holes passing from a top to a bottom surface at each end of the cross member for receiving rein... | 07/14/1998 |
| 5657548 | Support for measuring cord A support is disclosed for adjustably supporting a distal end of a measuring cord relative to a ground surface. The support includes a body member having a longitudinally extending slot. A first and a second pin is slidably disposed within the first and s... | 08/19/1997 |
| 5119565 | Corner level apparatus A corner level apparatus arranged for alignment of structural components at a corner intersection includes intersecting first and second arms, wherein the arms define an acute included angle therebetween, generally at forty-five degrees. A mount projects ... | 06/09/1992 |
| 4932134 | Adjustable foundation locating device An adjustable foundation locating device used to position or locate forms and trenches needed for pouring concrete foundations. The device uses a horizontal member which is supported by a stake driven into the ground. The horizontal member may be moved up... | 06/12/1990 |
| 4080739 | Batter board A batter board for use in building construction having, in one embodiment, two vertical support members and two horizontal alignment members which together maintain a constant spacing between the support members. One of the alignment members is affixed to... | 03/28/1978 |