Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7874762 | Dowel device with closed end speed cover Disclosed are a concrete dowel placement devices and a method of utilizing the same. A metallic stud is driven, screwed, or otherwise attached to a form. The stud may be a unitary structure, or may be a hollow tube with conventional fastening means such as nails and... | 01/25/2011 |
| 7381008 | Disk plate concrete dowel system Disclosed is a disc dowel system interposed between adjacent first and second concrete pours defining a pour joint therebetween. The disc dowel system comprises a positioner bracket, a pocket former and a dowel plate. The positioner bracket has a vertically disposed... | 06/03/2008 |
| 7338230 | Plate concrete dowel system A disc dowel system is interposed between adjacent first and second concrete pours defining a pour joint therebetween. The disc dowel system comprises a positioner bracket, a pocket former and an orthogonally shaped dowel plate. The positioner bracket has a vertical... | 03/04/2008 |
| 7314334 | Dowel bar assembly with snap fit side frames An apparatus for combining adjacent concrete slabs including a dowel, an end cap, and a side frame. The end cap has a hood defining a curved channel extending at least partially around a dowel receiving end. The side frame has at least one wire received in the curve... | 01/01/2008 |
| 7223046 | Pavement crack initiator A device to ensure that when the transverse contraction joint in a pavement and the like cracks, the crack extends through the middle of the dowel bar. A dowel is a smooth continuous bar that is embedded in a concrete pavement. It provides vertical shear resistance ... | 05/29/2007 |
| 7182309 | Concrete curbing forming device A cleat device (20) is taught for forming concrete curbing that jointly retains a back board form (22) and a front board form (24) with a spreader (25) spaced apart between the forms. The cleat device consists of three basic elements firs... | 02/27/2007 |
| 5618125 | Dowell alignment apparatus An apparatus for positioning a dowel within a concrete slab is disclose. The apparatus comprises a substantially planar mounting flange that is used to mount the apparatus onto a wooden form, and a dowel guide that extends perpendicularly from the plane o... | 04/08/1997 |
| 5470174 | Expansion joint assembly having load transfer capacity A prefabricated roadway expansion joint/load transfer assembly (10) is provided which accommodates normal expansion and contraction between adjacent slabs (90a, 90b) while transferring vertical shear loads and minimizing stress cracking of the surrounding... | 11/28/1995 |
| 5366319 | Expansion joint assembly having load transfer capacity A prefabricated roadway expansion joint/load transfer assembly (10) is provided which accommodates normal expansion and contraction between adjacent slabs (90a, 90b) while transferring vertical shear loads and minimizing stress cracking of the surrounding... | 11/22/1994 |
| 4056909 | Surface waterstops A surface waterstop is in the form of a strip of rubber or plastics material. At least one keying formation, preferably a T-shaped formation, is provided on each side of a center line of the strip. A longitudinally-extending central section may be provide... | 11/08/1977 |
