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| Number | Title | Issue Date |
| 6854219 | Adjustable apparatus and method for supporting a concealed spine within a masonry lintel A masonry lintel having a concealed spine which spans between piers to either side of an area to be arched and supports masonry bricks through means of horseshoe shaped plates which ride on the spine. The bricks are supported on the spine by stitching rods which ext... | 02/15/2005 |
| 6769663 | Void forming and anchor positioning apparatus and method for concrete structures A void former for positioning an anchor within a concrete structure is comprised of a hollow polymeric body having first and second sections hinged together for movement between a closed condition engageable around the anchor received therebetween and an open condit... | 08/03/2004 |
| 6692184 | Retrofit dowel for maintaining concrete structures in alignment An apparatus and method of providing a retrofit dowel to maintain adjacent concrete structures in alignment. The dowel is received in a longitudinal groove cut across the structures, and supported in spaced relationship to the bottom of the groove by feet... | 02/17/2004 |